Home / 47,906.59-71,800.35-30,381.43

Finding the Fourth Proportional to 47,906.59, 71,800.35 and 30,381.43

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Solution

The fourth proportional to 47,906.59, 71,800.35 and 30,381.43 is: 45,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,906.59 : 71,800.35 = 30,381.43 : x
  2. Step 2: Convert to fraction form
    47,906.59/71,800.35 = 30,381.43/x
  3. Step 3: Cross multiply
    47,906.59x = 71,800.35 × 30,381.43
  4. Step 4: Simplify right side
    47,906.59x = 2,181,397,307.50
  5. Step 5: Solve for x
    x = 2,181,397,307.50/47,906.59
  6. Step 6: Final answer
    x = 45,534.39

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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.