Home / 31,371.40-47,122.71-26,450.65

Finding the Fourth Proportional to 31,371.40, 47,122.71 and 26,450.65

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Solution

The fourth proportional to 31,371.40, 47,122.71 and 26,450.65 is: 39,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.40 : 47,122.71 = 26,450.65 : x
  2. Step 2: Convert to fraction form
    31,371.40/47,122.71 = 26,450.65/x
  3. Step 3: Cross multiply
    31,371.40x = 47,122.71 × 26,450.65
  4. Step 4: Simplify right side
    31,371.40x = 1,246,426,309.26
  5. Step 5: Solve for x
    x = 1,246,426,309.26/31,371.40
  6. Step 6: Final answer
    x = 39,731.29

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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.