Home / 40,766.40-56,269.60-26,621.36

Finding the Fourth Proportional to 40,766.40, 56,269.60 and 26,621.36

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Solution

The fourth proportional to 40,766.40, 56,269.60 and 26,621.36 is: 36,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,766.40 : 56,269.60 = 26,621.36 : x
  2. Step 2: Convert to fraction form
    40,766.40/56,269.60 = 26,621.36/x
  3. Step 3: Cross multiply
    40,766.40x = 56,269.60 × 26,621.36
  4. Step 4: Simplify right side
    40,766.40x = 1,497,973,278.66
  5. Step 5: Solve for x
    x = 1,497,973,278.66/40,766.40
  6. Step 6: Final answer
    x = 36,745.29

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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.