Home / 51,753.22-77,646.23-18,472.55

Finding the Fourth Proportional to 51,753.22, 77,646.23 and 18,472.55

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Solution

The fourth proportional to 51,753.22, 77,646.23 and 18,472.55 is: 27,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,753.22 : 77,646.23 = 18,472.55 : x
  2. Step 2: Convert to fraction form
    51,753.22/77,646.23 = 18,472.55/x
  3. Step 3: Cross multiply
    51,753.22x = 77,646.23 × 18,472.55
  4. Step 4: Simplify right side
    51,753.22x = 1,434,323,523.94
  5. Step 5: Solve for x
    x = 1,434,323,523.94/51,753.22
  6. Step 6: Final answer
    x = 27,714.67

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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.