Home / 69,869.86-96,422.14-38,040.51

Finding the Fourth Proportional to 69,869.86, 96,422.14 and 38,040.51

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Solution

The fourth proportional to 69,869.86, 96,422.14 and 38,040.51 is: 52,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,869.86 : 96,422.14 = 38,040.51 : x
  2. Step 2: Convert to fraction form
    69,869.86/96,422.14 = 38,040.51/x
  3. Step 3: Cross multiply
    69,869.86x = 96,422.14 × 38,040.51
  4. Step 4: Simplify right side
    69,869.86x = 3,667,947,380.89
  5. Step 5: Solve for x
    x = 3,667,947,380.89/69,869.86
  6. Step 6: Final answer
    x = 52,496.85

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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.