Home / 43,337.24-64,963.56-21,149.72

Finding the Fourth Proportional to 43,337.24, 64,963.56 and 21,149.72

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Solution

The fourth proportional to 43,337.24, 64,963.56 and 21,149.72 is: 31,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,337.24 : 64,963.56 = 21,149.72 : x
  2. Step 2: Convert to fraction form
    43,337.24/64,963.56 = 21,149.72/x
  3. Step 3: Cross multiply
    43,337.24x = 64,963.56 × 21,149.72
  4. Step 4: Simplify right side
    43,337.24x = 1,373,961,104.20
  5. Step 5: Solve for x
    x = 1,373,961,104.20/43,337.24
  6. Step 6: Final answer
    x = 31,703.94

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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.