Home / 39,151,472.80-58,727,209.20-38,479,626.40

Finding the Fourth Proportional to 39,151,472.80, 58,727,209.20 and 38,479,626.40

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Solution

The fourth proportional to 39,151,472.80, 58,727,209.20 and 38,479,626.40 is: 57,719,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151,472.80 : 58,727,209.20 = 38,479,626.40 : x
  2. Step 2: Convert to fraction form
    39,151,472.80/58,727,209.20 = 38,479,626.40/x
  3. Step 3: Cross multiply
    39,151,472.80x = 58,727,209.20 × 38,479,626.40
  4. Step 4: Simplify right side
    39,151,472.80x = 2,259,801,069,530,643
  5. Step 5: Solve for x
    x = 2,259,801,069,530,643/39,151,472.80
  6. Step 6: Final answer
    x = 57,719,439.60

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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.