Home / 37,235.22-51,385.12-20,239.80

Finding the Fourth Proportional to 37,235.22, 51,385.12 and 20,239.80

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Solution

The fourth proportional to 37,235.22, 51,385.12 and 20,239.80 is: 27,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,235.22 : 51,385.12 = 20,239.80 : x
  2. Step 2: Convert to fraction form
    37,235.22/51,385.12 = 20,239.80/x
  3. Step 3: Cross multiply
    37,235.22x = 51,385.12 × 20,239.80
  4. Step 4: Simplify right side
    37,235.22x = 1,040,024,551.78
  5. Step 5: Solve for x
    x = 1,040,024,551.78/37,235.22
  6. Step 6: Final answer
    x = 27,931.20

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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.