Home / 47,472.64-71,208.18-19,386.52

Finding the Fourth Proportional to 47,472.64, 71,208.18 and 19,386.52

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Solution

The fourth proportional to 47,472.64, 71,208.18 and 19,386.52 is: 29,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,472.64 : 71,208.18 = 19,386.52 : x
  2. Step 2: Convert to fraction form
    47,472.64/71,208.18 = 19,386.52/x
  3. Step 3: Cross multiply
    47,472.64x = 71,208.18 × 19,386.52
  4. Step 4: Simplify right side
    47,472.64x = 1,380,478,805.73
  5. Step 5: Solve for x
    x = 1,380,478,805.73/47,472.64
  6. Step 6: Final answer
    x = 29,079.46

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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.