Home / 31,266.92-43,148.03-16,926.50

Finding the Fourth Proportional to 31,266.92, 43,148.03 and 16,926.50

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Solution

The fourth proportional to 31,266.92, 43,148.03 and 16,926.50 is: 23,358.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.92 : 43,148.03 = 16,926.50 : x
  2. Step 2: Convert to fraction form
    31,266.92/43,148.03 = 16,926.50/x
  3. Step 3: Cross multiply
    31,266.92x = 43,148.03 × 16,926.50
  4. Step 4: Simplify right side
    31,266.92x = 730,345,045.16
  5. Step 5: Solve for x
    x = 730,345,045.16/31,266.92
  6. Step 6: Final answer
    x = 23,358.39

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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.