Home / 40,231.56-60,323.80-12,143.19

Finding the Fourth Proportional to 40,231.56, 60,323.80 and 12,143.19

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Solution

The fourth proportional to 40,231.56, 60,323.80 and 12,143.19 is: 18,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,231.56 : 60,323.80 = 12,143.19 : x
  2. Step 2: Convert to fraction form
    40,231.56/60,323.80 = 12,143.19/x
  3. Step 3: Cross multiply
    40,231.56x = 60,323.80 × 12,143.19
  4. Step 4: Simplify right side
    40,231.56x = 732,523,364.92
  5. Step 5: Solve for x
    x = 732,523,364.92/40,231.56
  6. Step 6: Final answer
    x = 18,207.68

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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.