Home / 63,678.06-95,531.40-21,555.72

Finding the Fourth Proportional to 63,678.06, 95,531.40 and 21,555.72

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Solution

The fourth proportional to 63,678.06, 95,531.40 and 21,555.72 is: 32,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,678.06 : 95,531.40 = 21,555.72 : x
  2. Step 2: Convert to fraction form
    63,678.06/95,531.40 = 21,555.72/x
  3. Step 3: Cross multiply
    63,678.06x = 95,531.40 × 21,555.72
  4. Step 4: Simplify right side
    63,678.06x = 2,059,248,109.61
  5. Step 5: Solve for x
    x = 2,059,248,109.61/63,678.06
  6. Step 6: Final answer
    x = 32,338.42

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1.5x scale

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.