Home / 39,789.93-54,868.41-29,702.19

Finding the Fourth Proportional to 39,789.93, 54,868.41 and 29,702.19

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Solution

The fourth proportional to 39,789.93, 54,868.41 and 29,702.19 is: 40,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,789.93 : 54,868.41 = 29,702.19 : x
  2. Step 2: Convert to fraction form
    39,789.93/54,868.41 = 29,702.19/x
  3. Step 3: Cross multiply
    39,789.93x = 54,868.41 × 29,702.19
  4. Step 4: Simplify right side
    39,789.93x = 1,629,711,938.82
  5. Step 5: Solve for x
    x = 1,629,711,938.82/39,789.93
  6. Step 6: Final answer
    x = 40,957.90

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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.