Home / 40,198.96-60,290.18-15,230.40

Finding the Fourth Proportional to 40,198.96, 60,290.18 and 15,230.40

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Solution

The fourth proportional to 40,198.96, 60,290.18 and 15,230.40 is: 22,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198.96 : 60,290.18 = 15,230.40 : x
  2. Step 2: Convert to fraction form
    40,198.96/60,290.18 = 15,230.40/x
  3. Step 3: Cross multiply
    40,198.96x = 60,290.18 × 15,230.40
  4. Step 4: Simplify right side
    40,198.96x = 918,243,557.47
  5. Step 5: Solve for x
    x = 918,243,557.47/40,198.96
  6. Step 6: Final answer
    x = 22,842.47

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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.