Home / 37,432.80-51,661.68-21,517.92

Finding the Fourth Proportional to 37,432.80, 51,661.68 and 21,517.92

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Solution

The fourth proportional to 37,432.80, 51,661.68 and 21,517.92 is: 29,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,432.80 : 51,661.68 = 21,517.92 : x
  2. Step 2: Convert to fraction form
    37,432.80/51,661.68 = 21,517.92/x
  3. Step 3: Cross multiply
    37,432.80x = 51,661.68 × 21,517.92
  4. Step 4: Simplify right side
    37,432.80x = 1,111,651,897.31
  5. Step 5: Solve for x
    x = 1,111,651,897.31/37,432.80
  6. Step 6: Final answer
    x = 29,697.27

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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.