Home / 36,071.82-54,117.71-15,021.76

Finding the Fourth Proportional to 36,071.82, 54,117.71 and 15,021.76

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Solution

The fourth proportional to 36,071.82, 54,117.71 and 15,021.76 is: 22,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.82 : 54,117.71 = 15,021.76 : x
  2. Step 2: Convert to fraction form
    36,071.82/54,117.71 = 15,021.76/x
  3. Step 3: Cross multiply
    36,071.82x = 54,117.71 × 15,021.76
  4. Step 4: Simplify right side
    36,071.82x = 812,943,251.37
  5. Step 5: Solve for x
    x = 812,943,251.37/36,071.82
  6. Step 6: Final answer
    x = 22,536.80

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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.