Home / 30,862.20-46,277.10-11,137.80

Finding the Fourth Proportional to 30,862.20, 46,277.10 and 11,137.80

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Solution

The fourth proportional to 30,862.20, 46,277.10 and 11,137.80 is: 16,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,862.20 : 46,277.10 = 11,137.80 : x
  2. Step 2: Convert to fraction form
    30,862.20/46,277.10 = 11,137.80/x
  3. Step 3: Cross multiply
    30,862.20x = 46,277.10 × 11,137.80
  4. Step 4: Simplify right side
    30,862.20x = 515,425,084.38
  5. Step 5: Solve for x
    x = 515,425,084.38/30,862.20
  6. Step 6: Final answer
    x = 16,700.85

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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.