Home / 30,226.13-41,730.65-19,489.55

Finding the Fourth Proportional to 30,226.13, 41,730.65 and 19,489.55

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Solution

The fourth proportional to 30,226.13, 41,730.65 and 19,489.55 is: 26,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.13 : 41,730.65 = 19,489.55 : x
  2. Step 2: Convert to fraction form
    30,226.13/41,730.65 = 19,489.55/x
  3. Step 3: Cross multiply
    30,226.13x = 41,730.65 × 19,489.55
  4. Step 4: Simplify right side
    30,226.13x = 813,311,283.61
  5. Step 5: Solve for x
    x = 813,311,283.61/30,226.13
  6. Step 6: Final answer
    x = 26,907.56

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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.