Home / 38,841.98-53,599.86-22,920.62

Finding the Fourth Proportional to 38,841.98, 53,599.86 and 22,920.62

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Solution

The fourth proportional to 38,841.98, 53,599.86 and 22,920.62 is: 31,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,841.98 : 53,599.86 = 22,920.62 : x
  2. Step 2: Convert to fraction form
    38,841.98/53,599.86 = 22,920.62/x
  3. Step 3: Cross multiply
    38,841.98x = 53,599.86 × 22,920.62
  4. Step 4: Simplify right side
    38,841.98x = 1,228,541,755.11
  5. Step 5: Solve for x
    x = 1,228,541,755.11/38,841.98
  6. Step 6: Final answer
    x = 31,629.23

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Half scale
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Double scale
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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.