Home / 39,824.10-54,957.17-21,919.13

Finding the Fourth Proportional to 39,824.10, 54,957.17 and 21,919.13

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Solution

The fourth proportional to 39,824.10, 54,957.17 and 21,919.13 is: 30,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,824.10 : 54,957.17 = 21,919.13 : x
  2. Step 2: Convert to fraction form
    39,824.10/54,957.17 = 21,919.13/x
  3. Step 3: Cross multiply
    39,824.10x = 54,957.17 × 21,919.13
  4. Step 4: Simplify right side
    39,824.10x = 1,204,612,969.28
  5. Step 5: Solve for x
    x = 1,204,612,969.28/39,824.10
  6. Step 6: Final answer
    x = 30,248.34

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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.