Home / 31,805.36-47,635.37-15,177.06

Finding the Fourth Proportional to 31,805.36, 47,635.37 and 15,177.06

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Solution

The fourth proportional to 31,805.36, 47,635.37 and 15,177.06 is: 22,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,805.36 : 47,635.37 = 15,177.06 : x
  2. Step 2: Convert to fraction form
    31,805.36/47,635.37 = 15,177.06/x
  3. Step 3: Cross multiply
    31,805.36x = 47,635.37 × 15,177.06
  4. Step 4: Simplify right side
    31,805.36x = 722,965,076.59
  5. Step 5: Solve for x
    x = 722,965,076.59/31,805.36
  6. Step 6: Final answer
    x = 22,730.92

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1.5x scale

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.