Home / 40,943.52-61,413.12-20,160

Finding the Fourth Proportional to 40,943.52, 61,413.12 and 20,160

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Solution

The fourth proportional to 40,943.52, 61,413.12 and 20,160 is: 30,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943.52 : 61,413.12 = 20,160 : x
  2. Step 2: Convert to fraction form
    40,943.52/61,413.12 = 20,160/x
  3. Step 3: Cross multiply
    40,943.52x = 61,413.12 × 20,160
  4. Step 4: Simplify right side
    40,943.52x = 1,238,088,499.20
  5. Step 5: Solve for x
    x = 1,238,088,499.20/40,943.52
  6. Step 6: Final answer
    x = 30,238.94

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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.