Home / 37,360.80-51,557.20-20,365.20

Finding the Fourth Proportional to 37,360.80, 51,557.20 and 20,365.20

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Solution

The fourth proportional to 37,360.80, 51,557.20 and 20,365.20 is: 28,103.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,360.80 : 51,557.20 = 20,365.20 : x
  2. Step 2: Convert to fraction form
    37,360.80/51,557.20 = 20,365.20/x
  3. Step 3: Cross multiply
    37,360.80x = 51,557.20 × 20,365.20
  4. Step 4: Simplify right side
    37,360.80x = 1,049,972,689.44
  5. Step 5: Solve for x
    x = 1,049,972,689.44/37,360.80
  6. Step 6: Final answer
    x = 28,103.59

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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.