Home / 31,955.29-47,879.96-19,437.44

Finding the Fourth Proportional to 31,955.29, 47,879.96 and 19,437.44

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Solution

The fourth proportional to 31,955.29, 47,879.96 and 19,437.44 is: 29,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,955.29 : 47,879.96 = 19,437.44 : x
  2. Step 2: Convert to fraction form
    31,955.29/47,879.96 = 19,437.44/x
  3. Step 3: Cross multiply
    31,955.29x = 47,879.96 × 19,437.44
  4. Step 4: Simplify right side
    31,955.29x = 930,663,872.22
  5. Step 5: Solve for x
    x = 930,663,872.22/31,955.29
  6. Step 6: Final answer
    x = 29,123.94

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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.