Home / 29,278.56-43,886.37-12,646.41

Finding the Fourth Proportional to 29,278.56, 43,886.37 and 12,646.41

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Solution

The fourth proportional to 29,278.56, 43,886.37 and 12,646.41 is: 18,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.56 : 43,886.37 = 12,646.41 : x
  2. Step 2: Convert to fraction form
    29,278.56/43,886.37 = 12,646.41/x
  3. Step 3: Cross multiply
    29,278.56x = 43,886.37 × 12,646.41
  4. Step 4: Simplify right side
    29,278.56x = 555,005,028.43
  5. Step 5: Solve for x
    x = 555,005,028.43/29,278.56
  6. Step 6: Final answer
    x = 18,956.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.