Home / 71,444.46-98,599.20-39,622.80

Finding the Fourth Proportional to 71,444.46, 98,599.20 and 39,622.80

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Solution

The fourth proportional to 71,444.46, 98,599.20 and 39,622.80 is: 54,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,444.46 : 98,599.20 = 39,622.80 : x
  2. Step 2: Convert to fraction form
    71,444.46/98,599.20 = 39,622.80/x
  3. Step 3: Cross multiply
    71,444.46x = 98,599.20 × 39,622.80
  4. Step 4: Simplify right side
    71,444.46x = 3,906,776,381.76
  5. Step 5: Solve for x
    x = 3,906,776,381.76/71,444.46
  6. Step 6: Final answer
    x = 54,682.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.