Home / 40,155.54-55,412.98-22,251.30

Finding the Fourth Proportional to 40,155.54, 55,412.98 and 22,251.30

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Solution

The fourth proportional to 40,155.54, 55,412.98 and 22,251.30 is: 30,705.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.54 : 55,412.98 = 22,251.30 : x
  2. Step 2: Convert to fraction form
    40,155.54/55,412.98 = 22,251.30/x
  3. Step 3: Cross multiply
    40,155.54x = 55,412.98 × 22,251.30
  4. Step 4: Simplify right side
    40,155.54x = 1,233,010,841.87
  5. Step 5: Solve for x
    x = 1,233,010,841.87/40,155.54
  6. Step 6: Final answer
    x = 30,705.87

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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.