Home / 29,177.84-40,241.64-18,549.20

Finding the Fourth Proportional to 29,177.84, 40,241.64 and 18,549.20

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Solution

The fourth proportional to 29,177.84, 40,241.64 and 18,549.20 is: 25,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,177.84 : 40,241.64 = 18,549.20 : x
  2. Step 2: Convert to fraction form
    29,177.84/40,241.64 = 18,549.20/x
  3. Step 3: Cross multiply
    29,177.84x = 40,241.64 × 18,549.20
  4. Step 4: Simplify right side
    29,177.84x = 746,450,228.69
  5. Step 5: Solve for x
    x = 746,450,228.69/29,177.84
  6. Step 6: Final answer
    x = 25,582.78

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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.