Home / 29,061.52-40,123.56-17,890

Finding the Fourth Proportional to 29,061.52, 40,123.56 and 17,890

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Solution

The fourth proportional to 29,061.52, 40,123.56 and 17,890 is: 24,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,061.52 : 40,123.56 = 17,890 : x
  2. Step 2: Convert to fraction form
    29,061.52/40,123.56 = 17,890/x
  3. Step 3: Cross multiply
    29,061.52x = 40,123.56 × 17,890
  4. Step 4: Simplify right side
    29,061.52x = 717,810,488.40
  5. Step 5: Solve for x
    x = 717,810,488.40/29,061.52
  6. Step 6: Final answer
    x = 24,699.69

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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.