Home / 31,943.92-47,935.32-12,224.47

Finding the Fourth Proportional to 31,943.92, 47,935.32 and 12,224.47

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Solution

The fourth proportional to 31,943.92, 47,935.32 and 12,224.47 is: 18,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,943.92 : 47,935.32 = 12,224.47 : x
  2. Step 2: Convert to fraction form
    31,943.92/47,935.32 = 12,224.47/x
  3. Step 3: Cross multiply
    31,943.92x = 47,935.32 × 12,224.47
  4. Step 4: Simplify right side
    31,943.92x = 585,983,881.28
  5. Step 5: Solve for x
    x = 585,983,881.28/31,943.92
  6. Step 6: Final answer
    x = 18,344.14

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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.