Home / 40,002.12-60,003.18-12,300.12

Finding the Fourth Proportional to 40,002.12, 60,003.18 and 12,300.12

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Solution

The fourth proportional to 40,002.12, 60,003.18 and 12,300.12 is: 18,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,002.12 : 60,003.18 = 12,300.12 : x
  2. Step 2: Convert to fraction form
    40,002.12/60,003.18 = 12,300.12/x
  3. Step 3: Cross multiply
    40,002.12x = 60,003.18 × 12,300.12
  4. Step 4: Simplify right side
    40,002.12x = 738,046,314.38
  5. Step 5: Solve for x
    x = 738,046,314.38/40,002.12
  6. Step 6: Final answer
    x = 18,450.18

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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.