Home / 39,555.79-54,613.42-23,428.29

Finding the Fourth Proportional to 39,555.79, 54,613.42 and 23,428.29

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Solution

The fourth proportional to 39,555.79, 54,613.42 and 23,428.29 is: 32,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,555.79 : 54,613.42 = 23,428.29 : x
  2. Step 2: Convert to fraction form
    39,555.79/54,613.42 = 23,428.29/x
  3. Step 3: Cross multiply
    39,555.79x = 54,613.42 × 23,428.29
  4. Step 4: Simplify right side
    39,555.79x = 1,279,498,866.14
  5. Step 5: Solve for x
    x = 1,279,498,866.14/39,555.79
  6. Step 6: Final answer
    x = 32,346.69

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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.