Home / 69,110.72-95,381.96-38,901.90

Finding the Fourth Proportional to 69,110.72, 95,381.96 and 38,901.90

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Solution

The fourth proportional to 69,110.72, 95,381.96 and 38,901.90 is: 53,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,110.72 : 95,381.96 = 38,901.90 : x
  2. Step 2: Convert to fraction form
    69,110.72/95,381.96 = 38,901.90/x
  3. Step 3: Cross multiply
    69,110.72x = 95,381.96 × 38,901.90
  4. Step 4: Simplify right side
    69,110.72x = 3,710,539,632.90
  5. Step 5: Solve for x
    x = 3,710,539,632.90/69,110.72
  6. Step 6: Final answer
    x = 53,689.79

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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.