Home / 37,531.68-51,793.33-20,764.80

Finding the Fourth Proportional to 37,531.68, 51,793.33 and 20,764.80

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Solution

The fourth proportional to 37,531.68, 51,793.33 and 20,764.80 is: 28,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,531.68 : 51,793.33 = 20,764.80 : x
  2. Step 2: Convert to fraction form
    37,531.68/51,793.33 = 20,764.80/x
  3. Step 3: Cross multiply
    37,531.68x = 51,793.33 × 20,764.80
  4. Step 4: Simplify right side
    37,531.68x = 1,075,478,138.78
  5. Step 5: Solve for x
    x = 1,075,478,138.78/37,531.68
  6. Step 6: Final answer
    x = 28,655.21

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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.