Home / 31,413.42-47,127.02-10,352.61

Finding the Fourth Proportional to 31,413.42, 47,127.02 and 10,352.61

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Solution

The fourth proportional to 31,413.42, 47,127.02 and 10,352.61 is: 15,531.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.42 : 47,127.02 = 10,352.61 : x
  2. Step 2: Convert to fraction form
    31,413.42/47,127.02 = 10,352.61/x
  3. Step 3: Cross multiply
    31,413.42x = 47,127.02 × 10,352.61
  4. Step 4: Simplify right side
    31,413.42x = 487,887,606.76
  5. Step 5: Solve for x
    x = 487,887,606.76/31,413.42
  6. Step 6: Final answer
    x = 15,531.18

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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.