Home / 78,711.57-118,032.52-22,538.88

Finding the Fourth Proportional to 78,711.57, 118,032.52 and 22,538.88

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Solution

The fourth proportional to 78,711.57, 118,032.52 and 22,538.88 is: 33,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,711.57 : 118,032.52 = 22,538.88 : x
  2. Step 2: Convert to fraction form
    78,711.57/118,032.52 = 22,538.88/x
  3. Step 3: Cross multiply
    78,711.57x = 118,032.52 × 22,538.88
  4. Step 4: Simplify right side
    78,711.57x = 2,660,320,804.38
  5. Step 5: Solve for x
    x = 2,660,320,804.38/78,711.57
  6. Step 6: Final answer
    x = 33,798.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.