Home / 39,922.20-55,095.12-22,017.18

Finding the Fourth Proportional to 39,922.20, 55,095.12 and 22,017.18

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Solution

The fourth proportional to 39,922.20, 55,095.12 and 22,017.18 is: 30,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,922.20 : 55,095.12 = 22,017.18 : x
  2. Step 2: Convert to fraction form
    39,922.20/55,095.12 = 22,017.18/x
  3. Step 3: Cross multiply
    39,922.20x = 55,095.12 × 22,017.18
  4. Step 4: Simplify right side
    39,922.20x = 1,213,039,174.16
  5. Step 5: Solve for x
    x = 1,213,039,174.16/39,922.20
  6. Step 6: Final answer
    x = 30,385.08

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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.