Home / 39,873.33-55,025.35-21,967.95

Finding the Fourth Proportional to 39,873.33, 55,025.35 and 21,967.95

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Solution

The fourth proportional to 39,873.33, 55,025.35 and 21,967.95 is: 30,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,873.33 : 55,025.35 = 21,967.95 : x
  2. Step 2: Convert to fraction form
    39,873.33/55,025.35 = 21,967.95/x
  3. Step 3: Cross multiply
    39,873.33x = 55,025.35 × 21,967.95
  4. Step 4: Simplify right side
    39,873.33x = 1,208,794,082.61
  5. Step 5: Solve for x
    x = 1,208,794,082.61/39,873.33
  6. Step 6: Final answer
    x = 30,315.85

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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.