Home / 31,749.12-47,626.88-11,764

Finding the Fourth Proportional to 31,749.12, 47,626.88 and 11,764

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Solution

The fourth proportional to 31,749.12, 47,626.88 and 11,764 is: 17,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,749.12 : 47,626.88 = 11,764 : x
  2. Step 2: Convert to fraction form
    31,749.12/47,626.88 = 11,764/x
  3. Step 3: Cross multiply
    31,749.12x = 47,626.88 × 11,764
  4. Step 4: Simplify right side
    31,749.12x = 560,282,616.32
  5. Step 5: Solve for x
    x = 560,282,616.32/31,749.12
  6. Step 6: Final answer
    x = 17,647.19

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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.