Home / 69,069.42-95,309.12-38,865.20

Finding the Fourth Proportional to 69,069.42, 95,309.12 and 38,865.20

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Solution

The fourth proportional to 69,069.42, 95,309.12 and 38,865.20 is: 53,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,069.42 : 95,309.12 = 38,865.20 : x
  2. Step 2: Convert to fraction form
    69,069.42/95,309.12 = 38,865.20/x
  3. Step 3: Cross multiply
    69,069.42x = 95,309.12 × 38,865.20
  4. Step 4: Simplify right side
    69,069.42x = 3,704,207,339.75
  5. Step 5: Solve for x
    x = 3,704,207,339.75/69,069.42
  6. Step 6: Final answer
    x = 53,630.21

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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.