Home / 42,170.46-63,253.53-12,588.54

Finding the Fourth Proportional to 42,170.46, 63,253.53 and 12,588.54

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Solution

The fourth proportional to 42,170.46, 63,253.53 and 12,588.54 is: 18,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170.46 : 63,253.53 = 12,588.54 : x
  2. Step 2: Convert to fraction form
    42,170.46/63,253.53 = 12,588.54/x
  3. Step 3: Cross multiply
    42,170.46x = 63,253.53 × 12,588.54
  4. Step 4: Simplify right side
    42,170.46x = 796,269,592.55
  5. Step 5: Solve for x
    x = 796,269,592.55/42,170.46
  6. Step 6: Final answer
    x = 18,882.17

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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.