Home / 42,170.94-63,262.89-14,082.30

Finding the Fourth Proportional to 42,170.94, 63,262.89 and 14,082.30

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Solution

The fourth proportional to 42,170.94, 63,262.89 and 14,082.30 is: 21,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170.94 : 63,262.89 = 14,082.30 : x
  2. Step 2: Convert to fraction form
    42,170.94/63,262.89 = 14,082.30/x
  3. Step 3: Cross multiply
    42,170.94x = 63,262.89 × 14,082.30
  4. Step 4: Simplify right side
    42,170.94x = 890,886,995.85
  5. Step 5: Solve for x
    x = 890,886,995.85/42,170.94
  6. Step 6: Final answer
    x = 21,125.61

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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.