Home / 39,060.92-53,903.94-21,155.88

Finding the Fourth Proportional to 39,060.92, 53,903.94 and 21,155.88

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Solution

The fourth proportional to 39,060.92, 53,903.94 and 21,155.88 is: 29,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,060.92 : 53,903.94 = 21,155.88 : x
  2. Step 2: Convert to fraction form
    39,060.92/53,903.94 = 21,155.88/x
  3. Step 3: Cross multiply
    39,060.92x = 53,903.94 × 21,155.88
  4. Step 4: Simplify right side
    39,060.92x = 1,140,385,286.17
  5. Step 5: Solve for x
    x = 1,140,385,286.17/39,060.92
  6. Step 6: Final answer
    x = 29,195.04

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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.