Home / 22,860.20-34,191.90-20,345.18

Finding the Fourth Proportional to 22,860.20, 34,191.90 and 20,345.18

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Solution

The fourth proportional to 22,860.20, 34,191.90 and 20,345.18 is: 30,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.20 : 34,191.90 = 20,345.18 : x
  2. Step 2: Convert to fraction form
    22,860.20/34,191.90 = 20,345.18/x
  3. Step 3: Cross multiply
    22,860.20x = 34,191.90 × 20,345.18
  4. Step 4: Simplify right side
    22,860.20x = 695,640,360.04
  5. Step 5: Solve for x
    x = 695,640,360.04/22,860.20
  6. Step 6: Final answer
    x = 30,430.20

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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.