Home / 51,875.30-77,793.96-18,586.46

Finding the Fourth Proportional to 51,875.30, 77,793.96 and 18,586.46

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Solution

The fourth proportional to 51,875.30, 77,793.96 and 18,586.46 is: 27,872.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,875.30 : 77,793.96 = 18,586.46 : x
  2. Step 2: Convert to fraction form
    51,875.30/77,793.96 = 18,586.46/x
  3. Step 3: Cross multiply
    51,875.30x = 77,793.96 × 18,586.46
  4. Step 4: Simplify right side
    51,875.30x = 1,445,914,325.78
  5. Step 5: Solve for x
    x = 1,445,914,325.78/51,875.30
  6. Step 6: Final answer
    x = 27,872.89

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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.