Home / 42,127.66-58,136.12-23,264.74

Finding the Fourth Proportional to 42,127.66, 58,136.12 and 23,264.74

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Solution

The fourth proportional to 42,127.66, 58,136.12 and 23,264.74 is: 32,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,127.66 : 58,136.12 = 23,264.74 : x
  2. Step 2: Convert to fraction form
    42,127.66/58,136.12 = 23,264.74/x
  3. Step 3: Cross multiply
    42,127.66x = 58,136.12 × 23,264.74
  4. Step 4: Simplify right side
    42,127.66x = 1,352,521,425.73
  5. Step 5: Solve for x
    x = 1,352,521,425.73/42,127.66
  6. Step 6: Final answer
    x = 32,105.31

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Half scale
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Double scale
Find fourth proportional to 42,128.66, 58,137.50 and 23,265.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.