Home / 36,222.10-54,327.29-9,920.69

Finding the Fourth Proportional to 36,222.10, 54,327.29 and 9,920.69

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Solution

The fourth proportional to 36,222.10, 54,327.29 and 9,920.69 is: 14,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.10 : 54,327.29 = 9,920.69 : x
  2. Step 2: Convert to fraction form
    36,222.10/54,327.29 = 9,920.69/x
  3. Step 3: Cross multiply
    36,222.10x = 54,327.29 × 9,920.69
  4. Step 4: Simplify right side
    36,222.10x = 538,963,955.80
  5. Step 5: Solve for x
    x = 538,963,955.80/36,222.10
  6. Step 6: Final answer
    x = 14,879.42

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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.