Home / 39,396.47-54,371.75-22,403.30

Finding the Fourth Proportional to 39,396.47, 54,371.75 and 22,403.30

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Solution

The fourth proportional to 39,396.47, 54,371.75 and 22,403.30 is: 30,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,396.47 : 54,371.75 = 22,403.30 : x
  2. Step 2: Convert to fraction form
    39,396.47/54,371.75 = 22,403.30/x
  3. Step 3: Cross multiply
    39,396.47x = 54,371.75 × 22,403.30
  4. Step 4: Simplify right side
    39,396.47x = 1,218,106,242.90
  5. Step 5: Solve for x
    x = 1,218,106,242.90/39,396.47
  6. Step 6: Final answer
    x = 30,919.18

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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.