Home / 30,413.60-45,560.88-27,111.20

Finding the Fourth Proportional to 30,413.60, 45,560.88 and 27,111.20

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Solution

The fourth proportional to 30,413.60, 45,560.88 and 27,111.20 is: 40,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,413.60 : 45,560.88 = 27,111.20 : x
  2. Step 2: Convert to fraction form
    30,413.60/45,560.88 = 27,111.20/x
  3. Step 3: Cross multiply
    30,413.60x = 45,560.88 × 27,111.20
  4. Step 4: Simplify right side
    30,413.60x = 1,235,210,129.86
  5. Step 5: Solve for x
    x = 1,235,210,129.86/30,413.60
  6. Step 6: Final answer
    x = 40,613.74

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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.