Home / 69,990.08-96,585.38-38,158.92

Finding the Fourth Proportional to 69,990.08, 96,585.38 and 38,158.92

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Solution

The fourth proportional to 69,990.08, 96,585.38 and 38,158.92 is: 52,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,990.08 : 96,585.38 = 38,158.92 : x
  2. Step 2: Convert to fraction form
    69,990.08/96,585.38 = 38,158.92/x
  3. Step 3: Cross multiply
    69,990.08x = 96,585.38 × 38,158.92
  4. Step 4: Simplify right side
    69,990.08x = 3,685,593,788.59
  5. Step 5: Solve for x
    x = 3,685,593,788.59/69,990.08
  6. Step 6: Final answer
    x = 52,658.80

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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.