Home / 51,591.72-77,409.45-28,190.82

Finding the Fourth Proportional to 51,591.72, 77,409.45 and 28,190.82

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Solution

The fourth proportional to 51,591.72, 77,409.45 and 28,190.82 is: 42,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,591.72 : 77,409.45 = 28,190.82 : x
  2. Step 2: Convert to fraction form
    51,591.72/77,409.45 = 28,190.82/x
  3. Step 3: Cross multiply
    51,591.72x = 77,409.45 × 28,190.82
  4. Step 4: Simplify right side
    51,591.72x = 2,182,235,871.25
  5. Step 5: Solve for x
    x = 2,182,235,871.25/51,591.72
  6. Step 6: Final answer
    x = 42,298.18

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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.