Home / 40,083.12-55,314.28-22,177.36

Finding the Fourth Proportional to 40,083.12, 55,314.28 and 22,177.36

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Solution

The fourth proportional to 40,083.12, 55,314.28 and 22,177.36 is: 30,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,083.12 : 55,314.28 = 22,177.36 : x
  2. Step 2: Convert to fraction form
    40,083.12/55,314.28 = 22,177.36/x
  3. Step 3: Cross multiply
    40,083.12x = 55,314.28 × 22,177.36
  4. Step 4: Simplify right side
    40,083.12x = 1,226,724,700.70
  5. Step 5: Solve for x
    x = 1,226,724,700.70/40,083.12
  6. Step 6: Final answer
    x = 30,604.52

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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.