Home / 36,119.17-54,164.75-12,422.21

Finding the Fourth Proportional to 36,119.17, 54,164.75 and 12,422.21

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Solution

The fourth proportional to 36,119.17, 54,164.75 and 12,422.21 is: 18,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,119.17 : 54,164.75 = 12,422.21 : x
  2. Step 2: Convert to fraction form
    36,119.17/54,164.75 = 12,422.21/x
  3. Step 3: Cross multiply
    36,119.17x = 54,164.75 × 12,422.21
  4. Step 4: Simplify right side
    36,119.17x = 672,845,940.71
  5. Step 5: Solve for x
    x = 672,845,940.71/36,119.17
  6. Step 6: Final answer
    x = 18,628.50

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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.