Home / 51,348.27-77,007.11-21,765.63

Finding the Fourth Proportional to 51,348.27, 77,007.11 and 21,765.63

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Solution

The fourth proportional to 51,348.27, 77,007.11 and 21,765.63 is: 32,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,348.27 : 77,007.11 = 21,765.63 : x
  2. Step 2: Convert to fraction form
    51,348.27/77,007.11 = 21,765.63/x
  3. Step 3: Cross multiply
    51,348.27x = 77,007.11 × 21,765.63
  4. Step 4: Simplify right side
    51,348.27x = 1,676,108,154.80
  5. Step 5: Solve for x
    x = 1,676,108,154.80/51,348.27
  6. Step 6: Final answer
    x = 32,641.96

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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.