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Finding the Fourth Proportional to 63,654.80, 95,484.08 and 30,378.40

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Solution

The fourth proportional to 63,654.80, 95,484.08 and 30,378.40 is: 45,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,654.80 : 95,484.08 = 30,378.40 : x
  2. Step 2: Convert to fraction form
    63,654.80/95,484.08 = 30,378.40/x
  3. Step 3: Cross multiply
    63,654.80x = 95,484.08 × 30,378.40
  4. Step 4: Simplify right side
    63,654.80x = 2,900,653,575.87
  5. Step 5: Solve for x
    x = 2,900,653,575.87/63,654.80
  6. Step 6: Final answer
    x = 45,568.50

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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.