Home / 53,751.13-74,177.45-29,553.12

Finding the Fourth Proportional to 53,751.13, 74,177.45 and 29,553.12

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Solution

The fourth proportional to 53,751.13, 74,177.45 and 29,553.12 is: 40,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,751.13 : 74,177.45 = 29,553.12 : x
  2. Step 2: Convert to fraction form
    53,751.13/74,177.45 = 29,553.12/x
  3. Step 3: Cross multiply
    53,751.13x = 74,177.45 × 29,553.12
  4. Step 4: Simplify right side
    53,751.13x = 2,192,175,081.14
  5. Step 5: Solve for x
    x = 2,192,175,081.14/53,751.13
  6. Step 6: Final answer
    x = 40,783.80

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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.