Home / 38,285.69-52,837.13-21,292.97

Finding the Fourth Proportional to 38,285.69, 52,837.13 and 21,292.97

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Solution

The fourth proportional to 38,285.69, 52,837.13 and 21,292.97 is: 29,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.69 : 52,837.13 = 21,292.97 : x
  2. Step 2: Convert to fraction form
    38,285.69/52,837.13 = 21,292.97/x
  3. Step 3: Cross multiply
    38,285.69x = 52,837.13 × 21,292.97
  4. Step 4: Simplify right side
    38,285.69x = 1,125,059,317.51
  5. Step 5: Solve for x
    x = 1,125,059,317.51/38,285.69
  6. Step 6: Final answer
    x = 29,385.90

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Half scale
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Double scale
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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.