Home / 43,162.29-64,738.11-11,574.72

Finding the Fourth Proportional to 43,162.29, 64,738.11 and 11,574.72

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Solution

The fourth proportional to 43,162.29, 64,738.11 and 11,574.72 is: 17,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,162.29 : 64,738.11 = 11,574.72 : x
  2. Step 2: Convert to fraction form
    43,162.29/64,738.11 = 11,574.72/x
  3. Step 3: Cross multiply
    43,162.29x = 64,738.11 × 11,574.72
  4. Step 4: Simplify right side
    43,162.29x = 749,325,496.58
  5. Step 5: Solve for x
    x = 749,325,496.58/43,162.29
  6. Step 6: Final answer
    x = 17,360.65

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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.