Home / 36,920.93-55,381.39-20,386.10

Finding the Fourth Proportional to 36,920.93, 55,381.39 and 20,386.10

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Solution

The fourth proportional to 36,920.93, 55,381.39 and 20,386.10 is: 30,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920.93 : 55,381.39 = 20,386.10 : x
  2. Step 2: Convert to fraction form
    36,920.93/55,381.39 = 20,386.10/x
  3. Step 3: Cross multiply
    36,920.93x = 55,381.39 × 20,386.10
  4. Step 4: Simplify right side
    36,920.93x = 1,129,010,277.77
  5. Step 5: Solve for x
    x = 1,129,010,277.77/36,920.93
  6. Step 6: Final answer
    x = 30,579.14

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Similar ratio
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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.