Home / 37,329.68-51,512.28-21,413.72

Finding the Fourth Proportional to 37,329.68, 51,512.28 and 21,413.72

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Solution

The fourth proportional to 37,329.68, 51,512.28 and 21,413.72 is: 29,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,329.68 : 51,512.28 = 21,413.72 : x
  2. Step 2: Convert to fraction form
    37,329.68/51,512.28 = 21,413.72/x
  3. Step 3: Cross multiply
    37,329.68x = 51,512.28 × 21,413.72
  4. Step 4: Simplify right side
    37,329.68x = 1,103,069,540.48
  5. Step 5: Solve for x
    x = 1,103,069,540.48/37,329.68
  6. Step 6: Final answer
    x = 29,549.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.