Home / 24,819.80-37,229.70-20,931.80

Finding the Fourth Proportional to 24,819.80, 37,229.70 and 20,931.80

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Solution

The fourth proportional to 24,819.80, 37,229.70 and 20,931.80 is: 31,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,819.80 : 37,229.70 = 20,931.80 : x
  2. Step 2: Convert to fraction form
    24,819.80/37,229.70 = 20,931.80/x
  3. Step 3: Cross multiply
    24,819.80x = 37,229.70 × 20,931.80
  4. Step 4: Simplify right side
    24,819.80x = 779,284,634.46
  5. Step 5: Solve for x
    x = 779,284,634.46/24,819.80
  6. Step 6: Final answer
    x = 31,397.70

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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.