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Finding the Fourth Proportional to 34,468.53, 47,565.31 and 21,062.22

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Solution

The fourth proportional to 34,468.53, 47,565.31 and 21,062.22 is: 29,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,468.53 : 47,565.31 = 21,062.22 : x
  2. Step 2: Convert to fraction form
    34,468.53/47,565.31 = 21,062.22/x
  3. Step 3: Cross multiply
    34,468.53x = 47,565.31 × 21,062.22
  4. Step 4: Simplify right side
    34,468.53x = 1,001,831,023.59
  5. Step 5: Solve for x
    x = 1,001,831,023.59/34,468.53
  6. Step 6: Final answer
    x = 29,065.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.