Home / 31,031.22-46,488.12-18,343.02

Finding the Fourth Proportional to 31,031.22, 46,488.12 and 18,343.02

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Solution

The fourth proportional to 31,031.22, 46,488.12 and 18,343.02 is: 27,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031.22 : 46,488.12 = 18,343.02 : x
  2. Step 2: Convert to fraction form
    31,031.22/46,488.12 = 18,343.02/x
  3. Step 3: Cross multiply
    31,031.22x = 46,488.12 × 18,343.02
  4. Step 4: Simplify right side
    31,031.22x = 852,732,514.92
  5. Step 5: Solve for x
    x = 852,732,514.92/31,031.22
  6. Step 6: Final answer
    x = 27,479.83

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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.