Home / 43,309.64-64,963.76-13,727.44

Finding the Fourth Proportional to 43,309.64, 64,963.76 and 13,727.44

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Solution

The fourth proportional to 43,309.64, 64,963.76 and 13,727.44 is: 20,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,309.64 : 64,963.76 = 13,727.44 : x
  2. Step 2: Convert to fraction form
    43,309.64/64,963.76 = 13,727.44/x
  3. Step 3: Cross multiply
    43,309.64x = 64,963.76 × 13,727.44
  4. Step 4: Simplify right side
    43,309.64x = 891,786,117.57
  5. Step 5: Solve for x
    x = 891,786,117.57/43,309.64
  6. Step 6: Final answer
    x = 20,590.94

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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.