Home / 63,830.71-95,686.52-21,681.95

Finding the Fourth Proportional to 63,830.71, 95,686.52 and 21,681.95

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Solution

The fourth proportional to 63,830.71, 95,686.52 and 21,681.95 is: 32,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,830.71 : 95,686.52 = 21,681.95 : x
  2. Step 2: Convert to fraction form
    63,830.71/95,686.52 = 21,681.95/x
  3. Step 3: Cross multiply
    63,830.71x = 95,686.52 × 21,681.95
  4. Step 4: Simplify right side
    63,830.71x = 2,074,670,473.12
  5. Step 5: Solve for x
    x = 2,074,670,473.12/63,830.71
  6. Step 6: Final answer
    x = 32,502.70

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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.