Home / 39,394.83-54,424.15-25,815.14

Finding the Fourth Proportional to 39,394.83, 54,424.15 and 25,815.14

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Solution

The fourth proportional to 39,394.83, 54,424.15 and 25,815.14 is: 35,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394.83 : 54,424.15 = 25,815.14 : x
  2. Step 2: Convert to fraction form
    39,394.83/54,424.15 = 25,815.14/x
  3. Step 3: Cross multiply
    39,394.83x = 54,424.15 × 25,815.14
  4. Step 4: Simplify right side
    39,394.83x = 1,404,967,212.19
  5. Step 5: Solve for x
    x = 1,404,967,212.19/39,394.83
  6. Step 6: Final answer
    x = 35,663.75

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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.