Home / 40,408.08-55,762.92-23,640.72

Finding the Fourth Proportional to 40,408.08, 55,762.92 and 23,640.72

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Solution

The fourth proportional to 40,408.08, 55,762.92 and 23,640.72 is: 32,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.08 : 55,762.92 = 23,640.72 : x
  2. Step 2: Convert to fraction form
    40,408.08/55,762.92 = 23,640.72/x
  3. Step 3: Cross multiply
    40,408.08x = 55,762.92 × 23,640.72
  4. Step 4: Simplify right side
    40,408.08x = 1,318,275,578.10
  5. Step 5: Solve for x
    x = 1,318,275,578.10/40,408.08
  6. Step 6: Final answer
    x = 32,624.06

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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.