Home / 42,085.28-63,127.92-35,207.84

Finding the Fourth Proportional to 42,085.28, 63,127.92 and 35,207.84

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Solution

The fourth proportional to 42,085.28, 63,127.92 and 35,207.84 is: 52,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,085.28 : 63,127.92 = 35,207.84 : x
  2. Step 2: Convert to fraction form
    42,085.28/63,127.92 = 35,207.84/x
  3. Step 3: Cross multiply
    42,085.28x = 63,127.92 × 35,207.84
  4. Step 4: Simplify right side
    42,085.28x = 2,222,597,706.89
  5. Step 5: Solve for x
    x = 2,222,597,706.89/42,085.28
  6. Step 6: Final answer
    x = 52,811.76

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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.