Home / 47,746.28-71,594.82-21,428.47

Finding the Fourth Proportional to 47,746.28, 71,594.82 and 21,428.47

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Solution

The fourth proportional to 47,746.28, 71,594.82 and 21,428.47 is: 32,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,746.28 : 71,594.82 = 21,428.47 : x
  2. Step 2: Convert to fraction form
    47,746.28/71,594.82 = 21,428.47/x
  3. Step 3: Cross multiply
    47,746.28x = 71,594.82 × 21,428.47
  4. Step 4: Simplify right side
    47,746.28x = 1,534,167,452.53
  5. Step 5: Solve for x
    x = 1,534,167,452.53/47,746.28
  6. Step 6: Final answer
    x = 32,131.66

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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.