Home / 39,702.18-54,778.31-22,702.92

Finding the Fourth Proportional to 39,702.18, 54,778.31 and 22,702.92

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Solution

The fourth proportional to 39,702.18, 54,778.31 and 22,702.92 is: 31,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,702.18 : 54,778.31 = 22,702.92 : x
  2. Step 2: Convert to fraction form
    39,702.18/54,778.31 = 22,702.92/x
  3. Step 3: Cross multiply
    39,702.18x = 54,778.31 × 22,702.92
  4. Step 4: Simplify right side
    39,702.18x = 1,243,627,202.26
  5. Step 5: Solve for x
    x = 1,243,627,202.26/39,702.18
  6. Step 6: Final answer
    x = 31,323.91

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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.