Home / 47,419.54-71,079.90-19,327.42

Finding the Fourth Proportional to 47,419.54, 71,079.90 and 19,327.42

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Solution

The fourth proportional to 47,419.54, 71,079.90 and 19,327.42 is: 28,970.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,419.54 : 71,079.90 = 19,327.42 : x
  2. Step 2: Convert to fraction form
    47,419.54/71,079.90 = 19,327.42/x
  3. Step 3: Cross multiply
    47,419.54x = 71,079.90 × 19,327.42
  4. Step 4: Simplify right side
    47,419.54x = 1,373,791,080.86
  5. Step 5: Solve for x
    x = 1,373,791,080.86/47,419.54
  6. Step 6: Final answer
    x = 28,970.99

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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.