Home / 63,913.24-95,874.72-21,780.28

Finding the Fourth Proportional to 63,913.24, 95,874.72 and 21,780.28

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Solution

The fourth proportional to 63,913.24, 95,874.72 and 21,780.28 is: 32,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,913.24 : 95,874.72 = 21,780.28 : x
  2. Step 2: Convert to fraction form
    63,913.24/95,874.72 = 21,780.28/x
  3. Step 3: Cross multiply
    63,913.24x = 95,874.72 × 21,780.28
  4. Step 4: Simplify right side
    63,913.24x = 2,088,178,246.52
  5. Step 5: Solve for x
    x = 2,088,178,246.52/63,913.24
  6. Step 6: Final answer
    x = 32,672.08

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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.