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Finding the Fourth Proportional to 64,318.46, 96,487.02 and 19,948.78

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Solution

The fourth proportional to 64,318.46, 96,487.02 and 19,948.78 is: 29,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,318.46 : 96,487.02 = 19,948.78 : x
  2. Step 2: Convert to fraction form
    64,318.46/96,487.02 = 19,948.78/x
  3. Step 3: Cross multiply
    64,318.46x = 96,487.02 × 19,948.78
  4. Step 4: Simplify right side
    64,318.46x = 1,924,798,334.84
  5. Step 5: Solve for x
    x = 1,924,798,334.84/64,318.46
  6. Step 6: Final answer
    x = 29,926.06

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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.