Home / 70,212.29-96,892.34-38,381.09

Finding the Fourth Proportional to 70,212.29, 96,892.34 and 38,381.09

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Solution

The fourth proportional to 70,212.29, 96,892.34 and 38,381.09 is: 52,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,212.29 : 96,892.34 = 38,381.09 : x
  2. Step 2: Convert to fraction form
    70,212.29/96,892.34 = 38,381.09/x
  3. Step 3: Cross multiply
    70,212.29x = 96,892.34 × 38,381.09
  4. Step 4: Simplify right side
    70,212.29x = 3,718,832,945.48
  5. Step 5: Solve for x
    x = 3,718,832,945.48/70,212.29
  6. Step 6: Final answer
    x = 52,965.56

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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.