Home / 40,130.40-55,379.28-22,226.16

Finding the Fourth Proportional to 40,130.40, 55,379.28 and 22,226.16

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Solution

The fourth proportional to 40,130.40, 55,379.28 and 22,226.16 is: 30,671.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130.40 : 55,379.28 = 22,226.16 : x
  2. Step 2: Convert to fraction form
    40,130.40/55,379.28 = 22,226.16/x
  3. Step 3: Cross multiply
    40,130.40x = 55,379.28 × 22,226.16
  4. Step 4: Simplify right side
    40,130.40x = 1,230,868,737.96
  5. Step 5: Solve for x
    x = 1,230,868,737.96/40,130.40
  6. Step 6: Final answer
    x = 30,671.73

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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.