Home / 40,125.32-55,372.08-22,219.28

Finding the Fourth Proportional to 40,125.32, 55,372.08 and 22,219.28

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Solution

The fourth proportional to 40,125.32, 55,372.08 and 22,219.28 is: 30,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,125.32 : 55,372.08 = 22,219.28 : x
  2. Step 2: Convert to fraction form
    40,125.32/55,372.08 = 22,219.28/x
  3. Step 3: Cross multiply
    40,125.32x = 55,372.08 × 22,219.28
  4. Step 4: Simplify right side
    40,125.32x = 1,230,327,749.70
  5. Step 5: Solve for x
    x = 1,230,327,749.70/40,125.32
  6. Step 6: Final answer
    x = 30,662.13

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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.