Home / 29,126.52-43,686.54-10,405.80

Finding the Fourth Proportional to 29,126.52, 43,686.54 and 10,405.80

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Solution

The fourth proportional to 29,126.52, 43,686.54 and 10,405.80 is: 15,607.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126.52 : 43,686.54 = 10,405.80 : x
  2. Step 2: Convert to fraction form
    29,126.52/43,686.54 = 10,405.80/x
  3. Step 3: Cross multiply
    29,126.52x = 43,686.54 × 10,405.80
  4. Step 4: Simplify right side
    29,126.52x = 454,593,397.93
  5. Step 5: Solve for x
    x = 454,593,397.93/29,126.52
  6. Step 6: Final answer
    x = 15,607.54

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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.