Home / 71,095.11-106,642.32-18,504.51

Finding the Fourth Proportional to 71,095.11, 106,642.32 and 18,504.51

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Solution

The fourth proportional to 71,095.11, 106,642.32 and 18,504.51 is: 27,756.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,095.11 : 106,642.32 = 18,504.51 : x
  2. Step 2: Convert to fraction form
    71,095.11/106,642.32 = 18,504.51/x
  3. Step 3: Cross multiply
    71,095.11x = 106,642.32 × 18,504.51
  4. Step 4: Simplify right side
    71,095.11x = 1,973,363,876.86
  5. Step 5: Solve for x
    x = 1,973,363,876.86/71,095.11
  6. Step 6: Final answer
    x = 27,756.68

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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.