Home / 70,767.19-97,660.21-38,936.15

Finding the Fourth Proportional to 70,767.19, 97,660.21 and 38,936.15

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Solution

The fourth proportional to 70,767.19, 97,660.21 and 38,936.15 is: 53,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,767.19 : 97,660.21 = 38,936.15 : x
  2. Step 2: Convert to fraction form
    70,767.19/97,660.21 = 38,936.15/x
  3. Step 3: Cross multiply
    70,767.19x = 97,660.21 × 38,936.15
  4. Step 4: Simplify right side
    70,767.19x = 3,802,512,585.59
  5. Step 5: Solve for x
    x = 3,802,512,585.59/70,767.19
  6. Step 6: Final answer
    x = 53,732.71

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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.