Home / 51,341.82-77,020.04-15,806.12

Finding the Fourth Proportional to 51,341.82, 77,020.04 and 15,806.12

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Solution

The fourth proportional to 51,341.82, 77,020.04 and 15,806.12 is: 23,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,341.82 : 77,020.04 = 15,806.12 : x
  2. Step 2: Convert to fraction form
    51,341.82/77,020.04 = 15,806.12/x
  3. Step 3: Cross multiply
    51,341.82x = 77,020.04 × 15,806.12
  4. Step 4: Simplify right side
    51,341.82x = 1,217,387,530.51
  5. Step 5: Solve for x
    x = 1,217,387,530.51/51,341.82
  6. Step 6: Final answer
    x = 23,711.42

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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.