Home / 31,908.06-47,865.36-12,203.16

Finding the Fourth Proportional to 31,908.06, 47,865.36 and 12,203.16

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Solution

The fourth proportional to 31,908.06, 47,865.36 and 12,203.16 is: 18,305.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,908.06 : 47,865.36 = 12,203.16 : x
  2. Step 2: Convert to fraction form
    31,908.06/47,865.36 = 12,203.16/x
  3. Step 3: Cross multiply
    31,908.06x = 47,865.36 × 12,203.16
  4. Step 4: Simplify right side
    31,908.06x = 584,108,646.54
  5. Step 5: Solve for x
    x = 584,108,646.54/31,908.06
  6. Step 6: Final answer
    x = 18,305.99

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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.