Home / 48,614.18-72,915.12-19,052.78

Finding the Fourth Proportional to 48,614.18, 72,915.12 and 19,052.78

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Solution

The fourth proportional to 48,614.18, 72,915.12 and 19,052.78 is: 28,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,614.18 : 72,915.12 = 19,052.78 : x
  2. Step 2: Convert to fraction form
    48,614.18/72,915.12 = 19,052.78/x
  3. Step 3: Cross multiply
    48,614.18x = 72,915.12 × 19,052.78
  4. Step 4: Simplify right side
    48,614.18x = 1,389,235,740.03
  5. Step 5: Solve for x
    x = 1,389,235,740.03/48,614.18
  6. Step 6: Final answer
    x = 28,576.76

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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.