Home / 42,159.76-58,179.90-23,297.20

Finding the Fourth Proportional to 42,159.76, 58,179.90 and 23,297.20

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Solution

The fourth proportional to 42,159.76, 58,179.90 and 23,297.20 is: 32,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,159.76 : 58,179.90 = 23,297.20 : x
  2. Step 2: Convert to fraction form
    42,159.76/58,179.90 = 23,297.20/x
  3. Step 3: Cross multiply
    42,159.76x = 58,179.90 × 23,297.20
  4. Step 4: Simplify right side
    42,159.76x = 1,355,428,766.28
  5. Step 5: Solve for x
    x = 1,355,428,766.28/42,159.76
  6. Step 6: Final answer
    x = 32,149.82

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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.