Home / 55,423.46-83,168.31-20,366.66

Finding the Fourth Proportional to 55,423.46, 83,168.31 and 20,366.66

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Solution

The fourth proportional to 55,423.46, 83,168.31 and 20,366.66 is: 30,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.46 : 83,168.31 = 20,366.66 : x
  2. Step 2: Convert to fraction form
    55,423.46/83,168.31 = 20,366.66/x
  3. Step 3: Cross multiply
    55,423.46x = 83,168.31 × 20,366.66
  4. Step 4: Simplify right side
    55,423.46x = 1,693,860,692.54
  5. Step 5: Solve for x
    x = 1,693,860,692.54/55,423.46
  6. Step 6: Final answer
    x = 30,562.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.