Home / 51,770.72-77,641.06-20,173.74

Finding the Fourth Proportional to 51,770.72, 77,641.06 and 20,173.74

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Solution

The fourth proportional to 51,770.72, 77,641.06 and 20,173.74 is: 30,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,770.72 : 77,641.06 = 20,173.74 : x
  2. Step 2: Convert to fraction form
    51,770.72/77,641.06 = 20,173.74/x
  3. Step 3: Cross multiply
    51,770.72x = 77,641.06 × 20,173.74
  4. Step 4: Simplify right side
    51,770.72x = 1,566,310,557.76
  5. Step 5: Solve for x
    x = 1,566,310,557.76/51,770.72
  6. Step 6: Final answer
    x = 30,254.76

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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.