Home / 63,438.97-95,128.06-21,307.35

Finding the Fourth Proportional to 63,438.97, 95,128.06 and 21,307.35

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Solution

The fourth proportional to 63,438.97, 95,128.06 and 21,307.35 is: 31,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,438.97 : 95,128.06 = 21,307.35 : x
  2. Step 2: Convert to fraction form
    63,438.97/95,128.06 = 21,307.35/x
  3. Step 3: Cross multiply
    63,438.97x = 95,128.06 × 21,307.35
  4. Step 4: Simplify right side
    63,438.97x = 2,026,926,762.70
  5. Step 5: Solve for x
    x = 2,026,926,762.70/63,438.97
  6. Step 6: Final answer
    x = 31,950.82

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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.