Home / 42,217.56-63,334.50-12,632.84

Finding the Fourth Proportional to 42,217.56, 63,334.50 and 12,632.84

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Solution

The fourth proportional to 42,217.56, 63,334.50 and 12,632.84 is: 18,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,217.56 : 63,334.50 = 12,632.84 : x
  2. Step 2: Convert to fraction form
    42,217.56/63,334.50 = 12,632.84/x
  3. Step 3: Cross multiply
    42,217.56x = 63,334.50 × 12,632.84
  4. Step 4: Simplify right side
    42,217.56x = 800,094,604.98
  5. Step 5: Solve for x
    x = 800,094,604.98/42,217.56
  6. Step 6: Final answer
    x = 18,951.70

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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.