Home / 40,111.27-60,222.12-20,403.16

Finding the Fourth Proportional to 40,111.27, 60,222.12 and 20,403.16

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Solution

The fourth proportional to 40,111.27, 60,222.12 and 20,403.16 is: 30,632.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,111.27 : 60,222.12 = 20,403.16 : x
  2. Step 2: Convert to fraction form
    40,111.27/60,222.12 = 20,403.16/x
  3. Step 3: Cross multiply
    40,111.27x = 60,222.12 × 20,403.16
  4. Step 4: Simplify right side
    40,111.27x = 1,228,721,549.90
  5. Step 5: Solve for x
    x = 1,228,721,549.90/40,111.27
  6. Step 6: Final answer
    x = 30,632.83

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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.