Home / 43,049.66-64,587.26-20,577.16

Finding the Fourth Proportional to 43,049.66, 64,587.26 and 20,577.16

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Solution

The fourth proportional to 43,049.66, 64,587.26 and 20,577.16 is: 30,871.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,049.66 : 64,587.26 = 20,577.16 : x
  2. Step 2: Convert to fraction form
    43,049.66/64,587.26 = 20,577.16/x
  3. Step 3: Cross multiply
    43,049.66x = 64,587.26 × 20,577.16
  4. Step 4: Simplify right side
    43,049.66x = 1,329,022,118.63
  5. Step 5: Solve for x
    x = 1,329,022,118.63/43,049.66
  6. Step 6: Final answer
    x = 30,871.84

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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.