Home / 35,408.69-48,862.08-20,300.61

Finding the Fourth Proportional to 35,408.69, 48,862.08 and 20,300.61

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Solution

The fourth proportional to 35,408.69, 48,862.08 and 20,300.61 is: 28,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,408.69 : 48,862.08 = 20,300.61 : x
  2. Step 2: Convert to fraction form
    35,408.69/48,862.08 = 20,300.61/x
  3. Step 3: Cross multiply
    35,408.69x = 48,862.08 × 20,300.61
  4. Step 4: Simplify right side
    35,408.69x = 991,930,029.87
  5. Step 5: Solve for x
    x = 991,930,029.87/35,408.69
  6. Step 6: Final answer
    x = 28,013.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.