Home / 81,592.04-122,364.52-22,429.64

Finding the Fourth Proportional to 81,592.04, 122,364.52 and 22,429.64

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Solution

The fourth proportional to 81,592.04, 122,364.52 and 22,429.64 is: 33,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,592.04 : 122,364.52 = 22,429.64 : x
  2. Step 2: Convert to fraction form
    81,592.04/122,364.52 = 22,429.64/x
  3. Step 3: Cross multiply
    81,592.04x = 122,364.52 × 22,429.64
  4. Step 4: Simplify right side
    81,592.04x = 2,744,592,132.37
  5. Step 5: Solve for x
    x = 2,744,592,132.37/81,592.04
  6. Step 6: Final answer
    x = 33,637.99

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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.