Home / 31,456.06-47,167.75-9,266.51

Finding the Fourth Proportional to 31,456.06, 47,167.75 and 9,266.51

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Solution

The fourth proportional to 31,456.06, 47,167.75 and 9,266.51 is: 13,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456.06 : 47,167.75 = 9,266.51 : x
  2. Step 2: Convert to fraction form
    31,456.06/47,167.75 = 9,266.51/x
  3. Step 3: Cross multiply
    31,456.06x = 47,167.75 × 9,266.51
  4. Step 4: Simplify right side
    31,456.06x = 437,080,427.05
  5. Step 5: Solve for x
    x = 437,080,427.05/31,456.06
  6. Step 6: Final answer
    x = 13,894.95

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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.