Home / 31,891.34-47,837.02-26,320.70

Finding the Fourth Proportional to 31,891.34, 47,837.02 and 26,320.70

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Solution

The fourth proportional to 31,891.34, 47,837.02 and 26,320.70 is: 39,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,891.34 : 47,837.02 = 26,320.70 : x
  2. Step 2: Convert to fraction form
    31,891.34/47,837.02 = 26,320.70/x
  3. Step 3: Cross multiply
    31,891.34x = 47,837.02 × 26,320.70
  4. Step 4: Simplify right side
    31,891.34x = 1,259,103,852.31
  5. Step 5: Solve for x
    x = 1,259,103,852.31/31,891.34
  6. Step 6: Final answer
    x = 39,481.06

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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.