Home / 39,949.65-55,130.13-22,044.81

Finding the Fourth Proportional to 39,949.65, 55,130.13 and 22,044.81

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Solution

The fourth proportional to 39,949.65, 55,130.13 and 22,044.81 is: 30,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949.65 : 55,130.13 = 22,044.81 : x
  2. Step 2: Convert to fraction form
    39,949.65/55,130.13 = 22,044.81/x
  3. Step 3: Cross multiply
    39,949.65x = 55,130.13 × 22,044.81
  4. Step 4: Simplify right side
    39,949.65x = 1,215,333,241.13
  5. Step 5: Solve for x
    x = 1,215,333,241.13/39,949.65
  6. Step 6: Final answer
    x = 30,421.62

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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.