Home / 51,830.16-71,352.79-49,449.76

Finding the Fourth Proportional to 51,830.16, 71,352.79 and 49,449.76

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Solution

The fourth proportional to 51,830.16, 71,352.79 and 49,449.76 is: 68,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,830.16 : 71,352.79 = 49,449.76 : x
  2. Step 2: Convert to fraction form
    51,830.16/71,352.79 = 49,449.76/x
  3. Step 3: Cross multiply
    51,830.16x = 71,352.79 × 49,449.76
  4. Step 4: Simplify right side
    51,830.16x = 3,528,378,340.83
  5. Step 5: Solve for x
    x = 3,528,378,340.83/51,830.16
  6. Step 6: Final answer
    x = 68,075.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.