Home / 70,442.28-97,209.72-38,611.17

Finding the Fourth Proportional to 70,442.28, 97,209.72 and 38,611.17

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Solution

The fourth proportional to 70,442.28, 97,209.72 and 38,611.17 is: 53,283.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,442.28 : 97,209.72 = 38,611.17 : x
  2. Step 2: Convert to fraction form
    70,442.28/97,209.72 = 38,611.17/x
  3. Step 3: Cross multiply
    70,442.28x = 97,209.72 × 38,611.17
  4. Step 4: Simplify right side
    70,442.28x = 3,753,381,024.57
  5. Step 5: Solve for x
    x = 3,753,381,024.57/70,442.28
  6. Step 6: Final answer
    x = 53,283.07

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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.