Home / 40,125.57-55,371.42-22,219.17

Finding the Fourth Proportional to 40,125.57, 55,371.42 and 22,219.17

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Solution

The fourth proportional to 40,125.57, 55,371.42 and 22,219.17 is: 30,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,125.57 : 55,371.42 = 22,219.17 : x
  2. Step 2: Convert to fraction form
    40,125.57/55,371.42 = 22,219.17/x
  3. Step 3: Cross multiply
    40,125.57x = 55,371.42 × 22,219.17
  4. Step 4: Simplify right side
    40,125.57x = 1,230,306,994.12
  5. Step 5: Solve for x
    x = 1,230,306,994.12/40,125.57
  6. Step 6: Final answer
    x = 30,661.42

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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.