Home / 37,147.50-51,263.55-20,380.14

Finding the Fourth Proportional to 37,147.50, 51,263.55 and 20,380.14

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Solution

The fourth proportional to 37,147.50, 51,263.55 and 20,380.14 is: 28,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,147.50 : 51,263.55 = 20,380.14 : x
  2. Step 2: Convert to fraction form
    37,147.50/51,263.55 = 20,380.14/x
  3. Step 3: Cross multiply
    37,147.50x = 51,263.55 × 20,380.14
  4. Step 4: Simplify right side
    37,147.50x = 1,044,758,325.90
  5. Step 5: Solve for x
    x = 1,044,758,325.90/37,147.50
  6. Step 6: Final answer
    x = 28,124.59

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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.