Home / 40,150.28-55,409.16-22,245.28

Finding the Fourth Proportional to 40,150.28, 55,409.16 and 22,245.28

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Solution

The fourth proportional to 40,150.28, 55,409.16 and 22,245.28 is: 30,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,150.28 : 55,409.16 = 22,245.28 : x
  2. Step 2: Convert to fraction form
    40,150.28/55,409.16 = 22,245.28/x
  3. Step 3: Cross multiply
    40,150.28x = 55,409.16 × 22,245.28
  4. Step 4: Simplify right side
    40,150.28x = 1,232,592,535.34
  5. Step 5: Solve for x
    x = 1,232,592,535.34/40,150.28
  6. Step 6: Final answer
    x = 30,699.47

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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.