Home / 40,325.30-55,648.62-22,420.16

Finding the Fourth Proportional to 40,325.30, 55,648.62 and 22,420.16

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Solution

The fourth proportional to 40,325.30, 55,648.62 and 22,420.16 is: 30,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,325.30 : 55,648.62 = 22,420.16 : x
  2. Step 2: Convert to fraction form
    40,325.30/55,648.62 = 22,420.16/x
  3. Step 3: Cross multiply
    40,325.30x = 55,648.62 × 22,420.16
  4. Step 4: Simplify right side
    40,325.30x = 1,247,650,685.94
  5. Step 5: Solve for x
    x = 1,247,650,685.94/40,325.30
  6. Step 6: Final answer
    x = 30,939.65

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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.