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Finding the Fourth Proportional to 63,346.16, 95,046.80 and 39,707.88

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Solution

The fourth proportional to 63,346.16, 95,046.80 and 39,707.88 is: 59,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,346.16 : 95,046.80 = 39,707.88 : x
  2. Step 2: Convert to fraction form
    63,346.16/95,046.80 = 39,707.88/x
  3. Step 3: Cross multiply
    63,346.16x = 95,046.80 × 39,707.88
  4. Step 4: Simplify right side
    63,346.16x = 3,774,106,928.78
  5. Step 5: Solve for x
    x = 3,774,106,928.78/63,346.16
  6. Step 6: Final answer
    x = 59,579.10

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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.