Home / 31,264.38-46,920.47-21,843

Finding the Fourth Proportional to 31,264.38, 46,920.47 and 21,843

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Solution

The fourth proportional to 31,264.38, 46,920.47 and 21,843 is: 32,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,264.38 : 46,920.47 = 21,843 : x
  2. Step 2: Convert to fraction form
    31,264.38/46,920.47 = 21,843/x
  3. Step 3: Cross multiply
    31,264.38x = 46,920.47 × 21,843
  4. Step 4: Simplify right side
    31,264.38x = 1,024,883,717.00
  5. Step 5: Solve for x
    x = 1,024,883,717.00/31,264.38
  6. Step 6: Final answer
    x = 32,781.19

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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.