Home / 39,613.78-54,653.45-22,605.75

Finding the Fourth Proportional to 39,613.78, 54,653.45 and 22,605.75

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Solution

The fourth proportional to 39,613.78, 54,653.45 and 22,605.75 is: 31,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,613.78 : 54,653.45 = 22,605.75 : x
  2. Step 2: Convert to fraction form
    39,613.78/54,653.45 = 22,605.75/x
  3. Step 3: Cross multiply
    39,613.78x = 54,653.45 × 22,605.75
  4. Step 4: Simplify right side
    39,613.78x = 1,235,482,114.31
  5. Step 5: Solve for x
    x = 1,235,482,114.31/39,613.78
  6. Step 6: Final answer
    x = 31,188.19

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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.