Home / 36,920.96-55,381.56-9,218.96

Finding the Fourth Proportional to 36,920.96, 55,381.56 and 9,218.96

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Solution

The fourth proportional to 36,920.96, 55,381.56 and 9,218.96 is: 13,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920.96 : 55,381.56 = 9,218.96 : x
  2. Step 2: Convert to fraction form
    36,920.96/55,381.56 = 9,218.96/x
  3. Step 3: Cross multiply
    36,920.96x = 55,381.56 × 9,218.96
  4. Step 4: Simplify right side
    36,920.96x = 510,560,386.38
  5. Step 5: Solve for x
    x = 510,560,386.38/36,920.96
  6. Step 6: Final answer
    x = 13,828.47

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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.