Home / 31,935.13-47,937.93-18,622.38

Finding the Fourth Proportional to 31,935.13, 47,937.93 and 18,622.38

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Solution

The fourth proportional to 31,935.13, 47,937.93 and 18,622.38 is: 27,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.13 : 47,937.93 = 18,622.38 : x
  2. Step 2: Convert to fraction form
    31,935.13/47,937.93 = 18,622.38/x
  3. Step 3: Cross multiply
    31,935.13x = 47,937.93 × 18,622.38
  4. Step 4: Simplify right side
    31,935.13x = 892,718,348.87
  5. Step 5: Solve for x
    x = 892,718,348.87/31,935.13
  6. Step 6: Final answer
    x = 27,954.12

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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.