Home / 47,129.44-70,655.28-19,446.88

Finding the Fourth Proportional to 47,129.44, 70,655.28 and 19,446.88

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Solution

The fourth proportional to 47,129.44, 70,655.28 and 19,446.88 is: 29,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.44 : 70,655.28 = 19,446.88 : x
  2. Step 2: Convert to fraction form
    47,129.44/70,655.28 = 19,446.88/x
  3. Step 3: Cross multiply
    47,129.44x = 70,655.28 × 19,446.88
  4. Step 4: Simplify right side
    47,129.44x = 1,374,024,751.53
  5. Step 5: Solve for x
    x = 1,374,024,751.53/47,129.44
  6. Step 6: Final answer
    x = 29,154.28

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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.