Home / 30,859.76-42,556.66-26,079.82

Finding the Fourth Proportional to 30,859.76, 42,556.66 and 26,079.82

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Solution

The fourth proportional to 30,859.76, 42,556.66 and 26,079.82 is: 35,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.76 : 42,556.66 = 26,079.82 : x
  2. Step 2: Convert to fraction form
    30,859.76/42,556.66 = 26,079.82/x
  3. Step 3: Cross multiply
    30,859.76x = 42,556.66 × 26,079.82
  4. Step 4: Simplify right side
    30,859.76x = 1,109,869,861.01
  5. Step 5: Solve for x
    x = 1,109,869,861.01/30,859.76
  6. Step 6: Final answer
    x = 35,964.95

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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.