Home / 38,221.76-57,334.11-18,220.94

Finding the Fourth Proportional to 38,221.76, 57,334.11 and 18,220.94

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Solution

The fourth proportional to 38,221.76, 57,334.11 and 18,220.94 is: 27,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221.76 : 57,334.11 = 18,220.94 : x
  2. Step 2: Convert to fraction form
    38,221.76/57,334.11 = 18,220.94/x
  3. Step 3: Cross multiply
    38,221.76x = 57,334.11 × 18,220.94
  4. Step 4: Simplify right side
    38,221.76x = 1,044,681,378.26
  5. Step 5: Solve for x
    x = 1,044,681,378.26/38,221.76
  6. Step 6: Final answer
    x = 27,332.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.