Home / 53,688.49-74,086.65-29,489.87

Finding the Fourth Proportional to 53,688.49, 74,086.65 and 29,489.87

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Solution

The fourth proportional to 53,688.49, 74,086.65 and 29,489.87 is: 40,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688.49 : 74,086.65 = 29,489.87 : x
  2. Step 2: Convert to fraction form
    53,688.49/74,086.65 = 29,489.87/x
  3. Step 3: Cross multiply
    53,688.49x = 74,086.65 × 29,489.87
  4. Step 4: Simplify right side
    53,688.49x = 2,184,805,862.45
  5. Step 5: Solve for x
    x = 2,184,805,862.45/53,688.49
  6. Step 6: Final answer
    x = 40,694.12

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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.