Home / 69,126.92-95,394.06-38,912.16

Finding the Fourth Proportional to 69,126.92, 95,394.06 and 38,912.16

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Solution

The fourth proportional to 69,126.92, 95,394.06 and 38,912.16 is: 53,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,126.92 : 95,394.06 = 38,912.16 : x
  2. Step 2: Convert to fraction form
    69,126.92/95,394.06 = 38,912.16/x
  3. Step 3: Cross multiply
    69,126.92x = 95,394.06 × 38,912.16
  4. Step 4: Simplify right side
    69,126.92x = 3,711,988,925.77
  5. Step 5: Solve for x
    x = 3,711,988,925.77/69,126.92
  6. Step 6: Final answer
    x = 53,698.17

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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.