Home / 40,720.44-56,181.30-22,812.60

Finding the Fourth Proportional to 40,720.44, 56,181.30 and 22,812.60

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Solution

The fourth proportional to 40,720.44, 56,181.30 and 22,812.60 is: 31,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,720.44 : 56,181.30 = 22,812.60 : x
  2. Step 2: Convert to fraction form
    40,720.44/56,181.30 = 22,812.60/x
  3. Step 3: Cross multiply
    40,720.44x = 56,181.30 × 22,812.60
  4. Step 4: Simplify right side
    40,720.44x = 1,281,641,524.38
  5. Step 5: Solve for x
    x = 1,281,641,524.38/40,720.44
  6. Step 6: Final answer
    x = 31,474.16

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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.