Home / 52,231.40-72,079.38-28,358.06

Finding the Fourth Proportional to 52,231.40, 72,079.38 and 28,358.06

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Solution

The fourth proportional to 52,231.40, 72,079.38 and 28,358.06 is: 39,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.40 : 72,079.38 = 28,358.06 : x
  2. Step 2: Convert to fraction form
    52,231.40/72,079.38 = 28,358.06/x
  3. Step 3: Cross multiply
    52,231.40x = 72,079.38 × 28,358.06
  4. Step 4: Simplify right side
    52,231.40x = 2,044,031,382.80
  5. Step 5: Solve for x
    x = 2,044,031,382.80/52,231.40
  6. Step 6: Final answer
    x = 39,134.15

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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.