Home / 39,948.48-55,132.20-22,045.14

Finding the Fourth Proportional to 39,948.48, 55,132.20 and 22,045.14

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Solution

The fourth proportional to 39,948.48, 55,132.20 and 22,045.14 is: 30,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948.48 : 55,132.20 = 22,045.14 : x
  2. Step 2: Convert to fraction form
    39,948.48/55,132.20 = 22,045.14/x
  3. Step 3: Cross multiply
    39,948.48x = 55,132.20 × 22,045.14
  4. Step 4: Simplify right side
    39,948.48x = 1,215,397,067.51
  5. Step 5: Solve for x
    x = 1,215,397,067.51/39,948.48
  6. Step 6: Final answer
    x = 30,424.11

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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.