Home / 69,280.40-95,605.06-39,065.48

Finding the Fourth Proportional to 69,280.40, 95,605.06 and 39,065.48

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Solution

The fourth proportional to 69,280.40, 95,605.06 and 39,065.48 is: 53,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,280.40 : 95,605.06 = 39,065.48 : x
  2. Step 2: Convert to fraction form
    69,280.40/95,605.06 = 39,065.48/x
  3. Step 3: Cross multiply
    69,280.40x = 95,605.06 × 39,065.48
  4. Step 4: Simplify right side
    69,280.40x = 3,734,857,700.68
  5. Step 5: Solve for x
    x = 3,734,857,700.68/69,280.40
  6. Step 6: Final answer
    x = 53,909.30

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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.