Home / 40,257.80-60,408.30-16,886.60

Finding the Fourth Proportional to 40,257.80, 60,408.30 and 16,886.60

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Solution

The fourth proportional to 40,257.80, 60,408.30 and 16,886.60 is: 25,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,257.80 : 60,408.30 = 16,886.60 : x
  2. Step 2: Convert to fraction form
    40,257.80/60,408.30 = 16,886.60/x
  3. Step 3: Cross multiply
    40,257.80x = 60,408.30 × 16,886.60
  4. Step 4: Simplify right side
    40,257.80x = 1,020,090,798.78
  5. Step 5: Solve for x
    x = 1,020,090,798.78/40,257.80
  6. Step 6: Final answer
    x = 25,338.96

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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.