Home / 43,320.38-65,006.48-18,696.38

Finding the Fourth Proportional to 43,320.38, 65,006.48 and 18,696.38

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Solution

The fourth proportional to 43,320.38, 65,006.48 and 18,696.38 is: 28,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,320.38 : 65,006.48 = 18,696.38 : x
  2. Step 2: Convert to fraction form
    43,320.38/65,006.48 = 18,696.38/x
  3. Step 3: Cross multiply
    43,320.38x = 65,006.48 × 18,696.38
  4. Step 4: Simplify right side
    43,320.38x = 1,215,385,574.25
  5. Step 5: Solve for x
    x = 1,215,385,574.25/43,320.38
  6. Step 6: Final answer
    x = 28,055.75

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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.