Home / 22,870.20-34,206.90-20,355.18

Finding the Fourth Proportional to 22,870.20, 34,206.90 and 20,355.18

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Solution

The fourth proportional to 22,870.20, 34,206.90 and 20,355.18 is: 30,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,870.20 : 34,206.90 = 20,355.18 : x
  2. Step 2: Convert to fraction form
    22,870.20/34,206.90 = 20,355.18/x
  3. Step 3: Cross multiply
    22,870.20x = 34,206.90 × 20,355.18
  4. Step 4: Simplify right side
    22,870.20x = 696,287,606.74
  5. Step 5: Solve for x
    x = 696,287,606.74/22,870.20
  6. Step 6: Final answer
    x = 30,445.19

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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.