Home / 81,588.74-122,387.36-22,423.10

Finding the Fourth Proportional to 81,588.74, 122,387.36 and 22,423.10

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Solution

The fourth proportional to 81,588.74, 122,387.36 and 22,423.10 is: 33,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,588.74 : 122,387.36 = 22,423.10 : x
  2. Step 2: Convert to fraction form
    81,588.74/122,387.36 = 22,423.10/x
  3. Step 3: Cross multiply
    81,588.74x = 122,387.36 × 22,423.10
  4. Step 4: Simplify right side
    81,588.74x = 2,744,303,287.96
  5. Step 5: Solve for x
    x = 2,744,303,287.96/81,588.74
  6. Step 6: Final answer
    x = 33,635.81

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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.