Home / 65,454.32-98,329.28-38,817.79

Finding the Fourth Proportional to 65,454.32, 98,329.28 and 38,817.79

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Solution

The fourth proportional to 65,454.32, 98,329.28 and 38,817.79 is: 58,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,454.32 : 98,329.28 = 38,817.79 : x
  2. Step 2: Convert to fraction form
    65,454.32/98,329.28 = 38,817.79/x
  3. Step 3: Cross multiply
    65,454.32x = 98,329.28 × 38,817.79
  4. Step 4: Simplify right side
    65,454.32x = 3,816,925,081.53
  5. Step 5: Solve for x
    x = 3,816,925,081.53/65,454.32
  6. Step 6: Final answer
    x = 58,314.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.