Home / 31,955.73-47,939.75-14,425.56

Finding the Fourth Proportional to 31,955.73, 47,939.75 and 14,425.56

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Solution

The fourth proportional to 31,955.73, 47,939.75 and 14,425.56 is: 21,641.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,955.73 : 47,939.75 = 14,425.56 : x
  2. Step 2: Convert to fraction form
    31,955.73/47,939.75 = 14,425.56/x
  3. Step 3: Cross multiply
    31,955.73x = 47,939.75 × 14,425.56
  4. Step 4: Simplify right side
    31,955.73x = 691,557,667.88
  5. Step 5: Solve for x
    x = 691,557,667.88/31,955.73
  6. Step 6: Final answer
    x = 21,641.12

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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.