Home / 40,893.12-61,339.50-11,310.90

Finding the Fourth Proportional to 40,893.12, 61,339.50 and 11,310.90

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Solution

The fourth proportional to 40,893.12, 61,339.50 and 11,310.90 is: 16,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,893.12 : 61,339.50 = 11,310.90 : x
  2. Step 2: Convert to fraction form
    40,893.12/61,339.50 = 11,310.90/x
  3. Step 3: Cross multiply
    40,893.12x = 61,339.50 × 11,310.90
  4. Step 4: Simplify right side
    40,893.12x = 693,804,950.55
  5. Step 5: Solve for x
    x = 693,804,950.55/40,893.12
  6. Step 6: Final answer
    x = 16,966.30

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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.