Home / 81,590.10-122,382.08-22,424.24

Finding the Fourth Proportional to 81,590.10, 122,382.08 and 22,424.24

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Solution

The fourth proportional to 81,590.10, 122,382.08 and 22,424.24 is: 33,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,590.10 : 122,382.08 = 22,424.24 : x
  2. Step 2: Convert to fraction form
    81,590.10/122,382.08 = 22,424.24/x
  3. Step 3: Cross multiply
    81,590.10x = 122,382.08 × 22,424.24
  4. Step 4: Simplify right side
    81,590.10x = 2,744,324,409.59
  5. Step 5: Solve for x
    x = 2,744,324,409.59/81,590.10
  6. Step 6: Final answer
    x = 33,635.51

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1.5x scale

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.