Home / 50,891.10-76,343.85-19,729.50

Finding the Fourth Proportional to 50,891.10, 76,343.85 and 19,729.50

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Solution

The fourth proportional to 50,891.10, 76,343.85 and 19,729.50 is: 29,597.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,891.10 : 76,343.85 = 19,729.50 : x
  2. Step 2: Convert to fraction form
    50,891.10/76,343.85 = 19,729.50/x
  3. Step 3: Cross multiply
    50,891.10x = 76,343.85 × 19,729.50
  4. Step 4: Simplify right side
    50,891.10x = 1,506,225,988.58
  5. Step 5: Solve for x
    x = 1,506,225,988.58/50,891.10
  6. Step 6: Final answer
    x = 29,597.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.