Home / 29,241.58-40,353.40-15,812.84

Finding the Fourth Proportional to 29,241.58, 40,353.40 and 15,812.84

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Solution

The fourth proportional to 29,241.58, 40,353.40 and 15,812.84 is: 21,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,241.58 : 40,353.40 = 15,812.84 : x
  2. Step 2: Convert to fraction form
    29,241.58/40,353.40 = 15,812.84/x
  3. Step 3: Cross multiply
    29,241.58x = 40,353.40 × 15,812.84
  4. Step 4: Simplify right side
    29,241.58x = 638,101,857.66
  5. Step 5: Solve for x
    x = 638,101,857.66/29,241.58
  6. Step 6: Final answer
    x = 21,821.73

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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.