Home / 31,479.44-47,213.69-11,758.16

Finding the Fourth Proportional to 31,479.44, 47,213.69 and 11,758.16

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Solution

The fourth proportional to 31,479.44, 47,213.69 and 11,758.16 is: 17,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,479.44 : 47,213.69 = 11,758.16 : x
  2. Step 2: Convert to fraction form
    31,479.44/47,213.69 = 11,758.16/x
  3. Step 3: Cross multiply
    31,479.44x = 47,213.69 × 11,758.16
  4. Step 4: Simplify right side
    31,479.44x = 555,146,180.45
  5. Step 5: Solve for x
    x = 555,146,180.45/31,479.44
  6. Step 6: Final answer
    x = 17,635.20

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1.5x scale

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.