Home / 40,280.60-55,596.12-22,381.76

Finding the Fourth Proportional to 40,280.60, 55,596.12 and 22,381.76

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Solution

The fourth proportional to 40,280.60, 55,596.12 and 22,381.76 is: 30,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,280.60 : 55,596.12 = 22,381.76 : x
  2. Step 2: Convert to fraction form
    40,280.60/55,596.12 = 22,381.76/x
  3. Step 3: Cross multiply
    40,280.60x = 55,596.12 × 22,381.76
  4. Step 4: Simplify right side
    40,280.60x = 1,244,339,014.77
  5. Step 5: Solve for x
    x = 1,244,339,014.77/40,280.60
  6. Step 6: Final answer
    x = 30,891.77

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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.