Home / 36,438.95-54,658.44-28,131.10

Finding the Fourth Proportional to 36,438.95, 54,658.44 and 28,131.10

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Solution

The fourth proportional to 36,438.95, 54,658.44 and 28,131.10 is: 42,196.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.95 : 54,658.44 = 28,131.10 : x
  2. Step 2: Convert to fraction form
    36,438.95/54,658.44 = 28,131.10/x
  3. Step 3: Cross multiply
    36,438.95x = 54,658.44 × 28,131.10
  4. Step 4: Simplify right side
    36,438.95x = 1,537,601,904.84
  5. Step 5: Solve for x
    x = 1,537,601,904.84/36,438.95
  6. Step 6: Final answer
    x = 42,196.65

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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.