Home / 40,219.08-55,505-22,316.06

Finding the Fourth Proportional to 40,219.08, 55,505 and 22,316.06

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Solution

The fourth proportional to 40,219.08, 55,505 and 22,316.06 is: 30,797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,219.08 : 55,505 = 22,316.06 : x
  2. Step 2: Convert to fraction form
    40,219.08/55,505 = 22,316.06/x
  3. Step 3: Cross multiply
    40,219.08x = 55,505 × 22,316.06
  4. Step 4: Simplify right side
    40,219.08x = 1,238,652,910.30
  5. Step 5: Solve for x
    x = 1,238,652,910.30/40,219.08
  6. Step 6: Final answer
    x = 30,797.64

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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.