Home / 39,398.60-54,363.27-22,168.57

Finding the Fourth Proportional to 39,398.60, 54,363.27 and 22,168.57

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Solution

The fourth proportional to 39,398.60, 54,363.27 and 22,168.57 is: 30,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,398.60 : 54,363.27 = 22,168.57 : x
  2. Step 2: Convert to fraction form
    39,398.60/54,363.27 = 22,168.57/x
  3. Step 3: Cross multiply
    39,398.60x = 54,363.27 × 22,168.57
  4. Step 4: Simplify right side
    39,398.60x = 1,205,155,820.52
  5. Step 5: Solve for x
    x = 1,205,155,820.52/39,398.60
  6. Step 6: Final answer
    x = 30,588.80

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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.