Home / 45,119.16-67,355.82-39,215.88

Finding the Fourth Proportional to 45,119.16, 67,355.82 and 39,215.88

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Solution

The fourth proportional to 45,119.16, 67,355.82 and 39,215.88 is: 58,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,119.16 : 67,355.82 = 39,215.88 : x
  2. Step 2: Convert to fraction form
    45,119.16/67,355.82 = 39,215.88/x
  3. Step 3: Cross multiply
    45,119.16x = 67,355.82 × 39,215.88
  4. Step 4: Simplify right side
    45,119.16x = 2,641,417,754.42
  5. Step 5: Solve for x
    x = 2,641,417,754.42/45,119.16
  6. Step 6: Final answer
    x = 58,543.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.