Home / 69,613.43-96,066.47-39,398.20

Finding the Fourth Proportional to 69,613.43, 96,066.47 and 39,398.20

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Solution

The fourth proportional to 69,613.43, 96,066.47 and 39,398.20 is: 54,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,613.43 : 96,066.47 = 39,398.20 : x
  2. Step 2: Convert to fraction form
    69,613.43/96,066.47 = 39,398.20/x
  3. Step 3: Cross multiply
    69,613.43x = 96,066.47 × 39,398.20
  4. Step 4: Simplify right side
    69,613.43x = 3,784,845,856.68
  5. Step 5: Solve for x
    x = 3,784,845,856.68/69,613.43
  6. Step 6: Final answer
    x = 54,369.48

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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.