Home / 31,077.54-42,912.32-25,335.92

Finding the Fourth Proportional to 31,077.54, 42,912.32 and 25,335.92

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Solution

The fourth proportional to 31,077.54, 42,912.32 and 25,335.92 is: 34,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,077.54 : 42,912.32 = 25,335.92 : x
  2. Step 2: Convert to fraction form
    31,077.54/42,912.32 = 25,335.92/x
  3. Step 3: Cross multiply
    31,077.54x = 42,912.32 × 25,335.92
  4. Step 4: Simplify right side
    31,077.54x = 1,087,223,087.14
  5. Step 5: Solve for x
    x = 1,087,223,087.14/31,077.54
  6. Step 6: Final answer
    x = 34,984.21

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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.