Home / 63,507.14-95,271.24-21,390.78

Finding the Fourth Proportional to 63,507.14, 95,271.24 and 21,390.78

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Solution

The fourth proportional to 63,507.14, 95,271.24 and 21,390.78 is: 32,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,507.14 : 95,271.24 = 21,390.78 : x
  2. Step 2: Convert to fraction form
    63,507.14/95,271.24 = 21,390.78/x
  3. Step 3: Cross multiply
    63,507.14x = 95,271.24 × 21,390.78
  4. Step 4: Simplify right side
    63,507.14x = 2,037,926,135.17
  5. Step 5: Solve for x
    x = 2,037,926,135.17/63,507.14
  6. Step 6: Final answer
    x = 32,089.72

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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.