Home / 69,839.40-96,380.40-38,010.36

Finding the Fourth Proportional to 69,839.40, 96,380.40 and 38,010.36

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Solution

The fourth proportional to 69,839.40, 96,380.40 and 38,010.36 is: 52,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,839.40 : 96,380.40 = 38,010.36 : x
  2. Step 2: Convert to fraction form
    69,839.40/96,380.40 = 38,010.36/x
  3. Step 3: Cross multiply
    69,839.40x = 96,380.40 × 38,010.36
  4. Step 4: Simplify right side
    69,839.40x = 3,663,453,700.94
  5. Step 5: Solve for x
    x = 3,663,453,700.94/69,839.40
  6. Step 6: Final answer
    x = 52,455.40

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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.