Home / 40,766.96-56,249.42-39,422.98

Finding the Fourth Proportional to 40,766.96, 56,249.42 and 39,422.98

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Solution

The fourth proportional to 40,766.96, 56,249.42 and 39,422.98 is: 54,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,766.96 : 56,249.42 = 39,422.98 : x
  2. Step 2: Convert to fraction form
    40,766.96/56,249.42 = 39,422.98/x
  3. Step 3: Cross multiply
    40,766.96x = 56,249.42 × 39,422.98
  4. Step 4: Simplify right side
    40,766.96x = 2,217,519,281.31
  5. Step 5: Solve for x
    x = 2,217,519,281.31/40,766.96
  6. Step 6: Final answer
    x = 54,395.02

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1.5x scale

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.