Home / 70,996.16-97,974.99-38,731.47

Finding the Fourth Proportional to 70,996.16, 97,974.99 and 38,731.47

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Solution

The fourth proportional to 70,996.16, 97,974.99 and 38,731.47 is: 53,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,996.16 : 97,974.99 = 38,731.47 : x
  2. Step 2: Convert to fraction form
    70,996.16/97,974.99 = 38,731.47/x
  3. Step 3: Cross multiply
    70,996.16x = 97,974.99 × 38,731.47
  4. Step 4: Simplify right side
    70,996.16x = 3,794,715,385.94
  5. Step 5: Solve for x
    x = 3,794,715,385.94/70,996.16
  6. Step 6: Final answer
    x = 53,449.59

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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.