Home / 29,034.32-40,083.78-22,215.52

Finding the Fourth Proportional to 29,034.32, 40,083.78 and 22,215.52

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Solution

The fourth proportional to 29,034.32, 40,083.78 and 22,215.52 is: 30,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,034.32 : 40,083.78 = 22,215.52 : x
  2. Step 2: Convert to fraction form
    29,034.32/40,083.78 = 22,215.52/x
  3. Step 3: Cross multiply
    29,034.32x = 40,083.78 × 22,215.52
  4. Step 4: Simplify right side
    29,034.32x = 890,482,016.27
  5. Step 5: Solve for x
    x = 890,482,016.27/29,034.32
  6. Step 6: Final answer
    x = 30,669.98

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1.5x scale

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.