Home / 69,120.28-95,381.04-38,904.04

Finding the Fourth Proportional to 69,120.28, 95,381.04 and 38,904.04

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Solution

The fourth proportional to 69,120.28, 95,381.04 and 38,904.04 is: 53,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,120.28 : 95,381.04 = 38,904.04 : x
  2. Step 2: Convert to fraction form
    69,120.28/95,381.04 = 38,904.04/x
  3. Step 3: Cross multiply
    69,120.28x = 95,381.04 × 38,904.04
  4. Step 4: Simplify right side
    69,120.28x = 3,710,707,795.40
  5. Step 5: Solve for x
    x = 3,710,707,795.40/69,120.28
  6. Step 6: Final answer
    x = 53,684.79

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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.