Home / 31,239.51-43,065.68-22,271.44

Finding the Fourth Proportional to 31,239.51, 43,065.68 and 22,271.44

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Solution

The fourth proportional to 31,239.51, 43,065.68 and 22,271.44 is: 30,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.51 : 43,065.68 = 22,271.44 : x
  2. Step 2: Convert to fraction form
    31,239.51/43,065.68 = 22,271.44/x
  3. Step 3: Cross multiply
    31,239.51x = 43,065.68 × 22,271.44
  4. Step 4: Simplify right side
    31,239.51x = 959,134,708.18
  5. Step 5: Solve for x
    x = 959,134,708.18/31,239.51
  6. Step 6: Final answer
    x = 30,702.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.