Home / 40,117.74-60,162.03-20,413.68

Finding the Fourth Proportional to 40,117.74, 60,162.03 and 20,413.68

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Solution

The fourth proportional to 40,117.74, 60,162.03 and 20,413.68 is: 30,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117.74 : 60,162.03 = 20,413.68 : x
  2. Step 2: Convert to fraction form
    40,117.74/60,162.03 = 20,413.68/x
  3. Step 3: Cross multiply
    40,117.74x = 60,162.03 × 20,413.68
  4. Step 4: Simplify right side
    40,117.74x = 1,228,128,428.57
  5. Step 5: Solve for x
    x = 1,228,128,428.57/40,117.74
  6. Step 6: Final answer
    x = 30,613.10

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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.