Home / 47,343.12-71,117.82-28,631.94

Finding the Fourth Proportional to 47,343.12, 71,117.82 and 28,631.94

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Solution

The fourth proportional to 47,343.12, 71,117.82 and 28,631.94 is: 43,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,343.12 : 71,117.82 = 28,631.94 : x
  2. Step 2: Convert to fraction form
    47,343.12/71,117.82 = 28,631.94/x
  3. Step 3: Cross multiply
    47,343.12x = 71,117.82 × 28,631.94
  4. Step 4: Simplify right side
    47,343.12x = 2,036,241,155.17
  5. Step 5: Solve for x
    x = 2,036,241,155.17/47,343.12
  6. Step 6: Final answer
    x = 43,010.29

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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.