Home / 31,818-47,717.82-9,626.16

Finding the Fourth Proportional to 31,818, 47,717.82 and 9,626.16

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Solution

The fourth proportional to 31,818, 47,717.82 and 9,626.16 is: 14,436.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818 : 47,717.82 = 9,626.16 : x
  2. Step 2: Convert to fraction form
    31,818/47,717.82 = 9,626.16/x
  3. Step 3: Cross multiply
    31,818x = 47,717.82 × 9,626.16
  4. Step 4: Simplify right side
    31,818x = 459,339,370.17
  5. Step 5: Solve for x
    x = 459,339,370.17/31,818
  6. Step 6: Final answer
    x = 14,436.46

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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.