Home / 51,421.08-77,126.76-16,354.56

Finding the Fourth Proportional to 51,421.08, 77,126.76 and 16,354.56

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Solution

The fourth proportional to 51,421.08, 77,126.76 and 16,354.56 is: 24,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,421.08 : 77,126.76 = 16,354.56 : x
  2. Step 2: Convert to fraction form
    51,421.08/77,126.76 = 16,354.56/x
  3. Step 3: Cross multiply
    51,421.08x = 77,126.76 × 16,354.56
  4. Step 4: Simplify right side
    51,421.08x = 1,261,374,224.03
  5. Step 5: Solve for x
    x = 1,261,374,224.03/51,421.08
  6. Step 6: Final answer
    x = 24,530.29

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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.