Home / 39,717.54-54,796.51-25,385.76

Finding the Fourth Proportional to 39,717.54, 54,796.51 and 25,385.76

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Solution

The fourth proportional to 39,717.54, 54,796.51 and 25,385.76 is: 35,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,717.54 : 54,796.51 = 25,385.76 : x
  2. Step 2: Convert to fraction form
    39,717.54/54,796.51 = 25,385.76/x
  3. Step 3: Cross multiply
    39,717.54x = 54,796.51 × 25,385.76
  4. Step 4: Simplify right side
    39,717.54x = 1,391,051,051.70
  5. Step 5: Solve for x
    x = 1,391,051,051.70/39,717.54
  6. Step 6: Final answer
    x = 35,023.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.