Home / 42,749.97-64,108.53-17,801.79

Finding the Fourth Proportional to 42,749.97, 64,108.53 and 17,801.79

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Solution

The fourth proportional to 42,749.97, 64,108.53 and 17,801.79 is: 26,695.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,749.97 : 64,108.53 = 17,801.79 : x
  2. Step 2: Convert to fraction form
    42,749.97/64,108.53 = 17,801.79/x
  3. Step 3: Cross multiply
    42,749.97x = 64,108.53 × 17,801.79
  4. Step 4: Simplify right side
    42,749.97x = 1,141,246,588.27
  5. Step 5: Solve for x
    x = 1,141,246,588.27/42,749.97
  6. Step 6: Final answer
    x = 26,695.85

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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.