Home / 37,515.98-51,770.12-20,516.92

Finding the Fourth Proportional to 37,515.98, 51,770.12 and 20,516.92

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Solution

The fourth proportional to 37,515.98, 51,770.12 and 20,516.92 is: 28,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,515.98 : 51,770.12 = 20,516.92 : x
  2. Step 2: Convert to fraction form
    37,515.98/51,770.12 = 20,516.92/x
  3. Step 3: Cross multiply
    37,515.98x = 51,770.12 × 20,516.92
  4. Step 4: Simplify right side
    37,515.98x = 1,062,163,410.43
  5. Step 5: Solve for x
    x = 1,062,163,410.43/37,515.98
  6. Step 6: Final answer
    x = 28,312.29

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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.