Home / 49,621.17-68,488.04-30,517.38

Finding the Fourth Proportional to 49,621.17, 68,488.04 and 30,517.38

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Solution

The fourth proportional to 49,621.17, 68,488.04 and 30,517.38 is: 42,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,621.17 : 68,488.04 = 30,517.38 : x
  2. Step 2: Convert to fraction form
    49,621.17/68,488.04 = 30,517.38/x
  3. Step 3: Cross multiply
    49,621.17x = 68,488.04 × 30,517.38
  4. Step 4: Simplify right side
    49,621.17x = 2,090,075,199.70
  5. Step 5: Solve for x
    x = 2,090,075,199.70/49,621.17
  6. Step 6: Final answer
    x = 42,120.64

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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.