Home / 39,931.76-55,105.46-22,026.90

Finding the Fourth Proportional to 39,931.76, 55,105.46 and 22,026.90

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Solution

The fourth proportional to 39,931.76, 55,105.46 and 22,026.90 is: 30,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.76 : 55,105.46 = 22,026.90 : x
  2. Step 2: Convert to fraction form
    39,931.76/55,105.46 = 22,026.90/x
  3. Step 3: Cross multiply
    39,931.76x = 55,105.46 × 22,026.90
  4. Step 4: Simplify right side
    39,931.76x = 1,213,802,456.87
  5. Step 5: Solve for x
    x = 1,213,802,456.87/39,931.76
  6. Step 6: Final answer
    x = 30,396.92

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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.