Home / 63,423.60-95,139.96-21,870

Finding the Fourth Proportional to 63,423.60, 95,139.96 and 21,870

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Solution

The fourth proportional to 63,423.60, 95,139.96 and 21,870 is: 32,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,423.60 : 95,139.96 = 21,870 : x
  2. Step 2: Convert to fraction form
    63,423.60/95,139.96 = 21,870/x
  3. Step 3: Cross multiply
    63,423.60x = 95,139.96 × 21,870
  4. Step 4: Simplify right side
    63,423.60x = 2,080,710,925.20
  5. Step 5: Solve for x
    x = 2,080,710,925.20/63,423.60
  6. Step 6: Final answer
    x = 32,806.57

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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.