Home / 37,531.64-51,793.98-20,765.72

Finding the Fourth Proportional to 37,531.64, 51,793.98 and 20,765.72

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Solution

The fourth proportional to 37,531.64, 51,793.98 and 20,765.72 is: 28,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,531.64 : 51,793.98 = 20,765.72 : x
  2. Step 2: Convert to fraction form
    37,531.64/51,793.98 = 20,765.72/x
  3. Step 3: Cross multiply
    37,531.64x = 51,793.98 × 20,765.72
  4. Step 4: Simplify right side
    37,531.64x = 1,075,539,286.37
  5. Step 5: Solve for x
    x = 1,075,539,286.37/37,531.64
  6. Step 6: Final answer
    x = 28,656.87

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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.