Home / 39,854.75-59,791.89-11,774.63

Finding the Fourth Proportional to 39,854.75, 59,791.89 and 11,774.63

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Solution

The fourth proportional to 39,854.75, 59,791.89 and 11,774.63 is: 17,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,854.75 : 59,791.89 = 11,774.63 : x
  2. Step 2: Convert to fraction form
    39,854.75/59,791.89 = 11,774.63/x
  3. Step 3: Cross multiply
    39,854.75x = 59,791.89 × 11,774.63
  4. Step 4: Simplify right side
    39,854.75x = 704,027,381.75
  5. Step 5: Solve for x
    x = 704,027,381.75/39,854.75
  6. Step 6: Final answer
    x = 17,664.83

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1.5x scale

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.