Home / 51,810.20-77,715.30-41,442.20

Finding the Fourth Proportional to 51,810.20, 77,715.30 and 41,442.20

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Solution

The fourth proportional to 51,810.20, 77,715.30 and 41,442.20 is: 62,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,810.20 : 77,715.30 = 41,442.20 : x
  2. Step 2: Convert to fraction form
    51,810.20/77,715.30 = 41,442.20/x
  3. Step 3: Cross multiply
    51,810.20x = 77,715.30 × 41,442.20
  4. Step 4: Simplify right side
    51,810.20x = 3,220,693,005.66
  5. Step 5: Solve for x
    x = 3,220,693,005.66/51,810.20
  6. Step 6: Final answer
    x = 62,163.30

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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.