Home / 36,479.64-54,722.52-14,291.40

Finding the Fourth Proportional to 36,479.64, 54,722.52 and 14,291.40

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Solution

The fourth proportional to 36,479.64, 54,722.52 and 14,291.40 is: 21,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,479.64 : 54,722.52 = 14,291.40 : x
  2. Step 2: Convert to fraction form
    36,479.64/54,722.52 = 14,291.40/x
  3. Step 3: Cross multiply
    36,479.64x = 54,722.52 × 14,291.40
  4. Step 4: Simplify right side
    36,479.64x = 782,061,422.33
  5. Step 5: Solve for x
    x = 782,061,422.33/36,479.64
  6. Step 6: Final answer
    x = 21,438.30

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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.