Home / 31,947.91-47,935.45-13,241.54

Finding the Fourth Proportional to 31,947.91, 47,935.45 and 13,241.54

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Solution

The fourth proportional to 31,947.91, 47,935.45 and 13,241.54 is: 19,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.91 : 47,935.45 = 13,241.54 : x
  2. Step 2: Convert to fraction form
    31,947.91/47,935.45 = 13,241.54/x
  3. Step 3: Cross multiply
    31,947.91x = 47,935.45 × 13,241.54
  4. Step 4: Simplify right side
    31,947.91x = 634,739,178.59
  5. Step 5: Solve for x
    x = 634,739,178.59/31,947.91
  6. Step 6: Final answer
    x = 19,867.94

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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.