Home / 39,116.52-53,966.65-25,695

Finding the Fourth Proportional to 39,116.52, 53,966.65 and 25,695

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Solution

The fourth proportional to 39,116.52, 53,966.65 and 25,695 is: 35,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,116.52 : 53,966.65 = 25,695 : x
  2. Step 2: Convert to fraction form
    39,116.52/53,966.65 = 25,695/x
  3. Step 3: Cross multiply
    39,116.52x = 53,966.65 × 25,695
  4. Step 4: Simplify right side
    39,116.52x = 1,386,673,071.75
  5. Step 5: Solve for x
    x = 1,386,673,071.75/39,116.52
  6. Step 6: Final answer
    x = 35,449.81

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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.