Home / 36,486.24-54,686.52-15,421.92

Finding the Fourth Proportional to 36,486.24, 54,686.52 and 15,421.92

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Solution

The fourth proportional to 36,486.24, 54,686.52 and 15,421.92 is: 23,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,486.24 : 54,686.52 = 15,421.92 : x
  2. Step 2: Convert to fraction form
    36,486.24/54,686.52 = 15,421.92/x
  3. Step 3: Cross multiply
    36,486.24x = 54,686.52 × 15,421.92
  4. Step 4: Simplify right side
    36,486.24x = 843,371,136.52
  5. Step 5: Solve for x
    x = 843,371,136.52/36,486.24
  6. Step 6: Final answer
    x = 23,114.77

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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.