Home / 31,373.82-47,079.43-11,384.87

Finding the Fourth Proportional to 31,373.82, 47,079.43 and 11,384.87

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Solution

The fourth proportional to 31,373.82, 47,079.43 and 11,384.87 is: 17,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.82 : 47,079.43 = 11,384.87 : x
  2. Step 2: Convert to fraction form
    31,373.82/47,079.43 = 11,384.87/x
  3. Step 3: Cross multiply
    31,373.82x = 47,079.43 × 11,384.87
  4. Step 4: Simplify right side
    31,373.82x = 535,993,081.57
  5. Step 5: Solve for x
    x = 535,993,081.57/31,373.82
  6. Step 6: Final answer
    x = 17,084.09

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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.