Home / 69,895.64-96,452.88-39,680.42

Finding the Fourth Proportional to 69,895.64, 96,452.88 and 39,680.42

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Solution

The fourth proportional to 69,895.64, 96,452.88 and 39,680.42 is: 54,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,895.64 : 96,452.88 = 39,680.42 : x
  2. Step 2: Convert to fraction form
    69,895.64/96,452.88 = 39,680.42/x
  3. Step 3: Cross multiply
    69,895.64x = 96,452.88 × 39,680.42
  4. Step 4: Simplify right side
    69,895.64x = 3,827,290,157.54
  5. Step 5: Solve for x
    x = 3,827,290,157.54/69,895.64
  6. Step 6: Final answer
    x = 54,757.21

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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.