Home / 51,748.91-77,576.60-18,461.06

Finding the Fourth Proportional to 51,748.91, 77,576.60 and 18,461.06

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Solution

The fourth proportional to 51,748.91, 77,576.60 and 18,461.06 is: 27,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,748.91 : 77,576.60 = 18,461.06 : x
  2. Step 2: Convert to fraction form
    51,748.91/77,576.60 = 18,461.06/x
  3. Step 3: Cross multiply
    51,748.91x = 77,576.60 × 18,461.06
  4. Step 4: Simplify right side
    51,748.91x = 1,432,146,267.20
  5. Step 5: Solve for x
    x = 1,432,146,267.20/51,748.91
  6. Step 6: Final answer
    x = 27,674.91

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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.