Home / 47,342.52-65,356.36-29,443.30

Finding the Fourth Proportional to 47,342.52, 65,356.36 and 29,443.30

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Solution

The fourth proportional to 47,342.52, 65,356.36 and 29,443.30 is: 40,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,342.52 : 65,356.36 = 29,443.30 : x
  2. Step 2: Convert to fraction form
    47,342.52/65,356.36 = 29,443.30/x
  3. Step 3: Cross multiply
    47,342.52x = 65,356.36 × 29,443.30
  4. Step 4: Simplify right side
    47,342.52x = 1,924,306,677.39
  5. Step 5: Solve for x
    x = 1,924,306,677.39/47,342.52
  6. Step 6: Final answer
    x = 40,646.48

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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.