Home / 40,164.78-55,427.84-22,260.14

Finding the Fourth Proportional to 40,164.78, 55,427.84 and 22,260.14

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Solution

The fourth proportional to 40,164.78, 55,427.84 and 22,260.14 is: 30,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,164.78 : 55,427.84 = 22,260.14 : x
  2. Step 2: Convert to fraction form
    40,164.78/55,427.84 = 22,260.14/x
  3. Step 3: Cross multiply
    40,164.78x = 55,427.84 × 22,260.14
  4. Step 4: Simplify right side
    40,164.78x = 1,233,831,478.30
  5. Step 5: Solve for x
    x = 1,233,831,478.30/40,164.78
  6. Step 6: Final answer
    x = 30,719.24

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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.