Home / 47,413.16-71,133.08-20,761.52

Finding the Fourth Proportional to 47,413.16, 71,133.08 and 20,761.52

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Solution

The fourth proportional to 47,413.16, 71,133.08 and 20,761.52 is: 31,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,413.16 : 71,133.08 = 20,761.52 : x
  2. Step 2: Convert to fraction form
    47,413.16/71,133.08 = 20,761.52/x
  3. Step 3: Cross multiply
    47,413.16x = 71,133.08 × 20,761.52
  4. Step 4: Simplify right side
    47,413.16x = 1,476,830,863.08
  5. Step 5: Solve for x
    x = 1,476,830,863.08/47,413.16
  6. Step 6: Final answer
    x = 31,148.12

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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.