Home / 51,570.30-77,377.50-21,591.54

Finding the Fourth Proportional to 51,570.30, 77,377.50 and 21,591.54

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Solution

The fourth proportional to 51,570.30, 77,377.50 and 21,591.54 is: 32,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,570.30 : 77,377.50 = 21,591.54 : x
  2. Step 2: Convert to fraction form
    51,570.30/77,377.50 = 21,591.54/x
  3. Step 3: Cross multiply
    51,570.30x = 77,377.50 × 21,591.54
  4. Step 4: Simplify right side
    51,570.30x = 1,670,699,386.35
  5. Step 5: Solve for x
    x = 1,670,699,386.35/51,570.30
  6. Step 6: Final answer
    x = 32,396.54

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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.