Home / 55,027.80-82,540.66-13,475.16

Finding the Fourth Proportional to 55,027.80, 82,540.66 and 13,475.16

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Solution

The fourth proportional to 55,027.80, 82,540.66 and 13,475.16 is: 20,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,027.80 : 82,540.66 = 13,475.16 : x
  2. Step 2: Convert to fraction form
    55,027.80/82,540.66 = 13,475.16/x
  3. Step 3: Cross multiply
    55,027.80x = 82,540.66 × 13,475.16
  4. Step 4: Simplify right side
    55,027.80x = 1,112,248,600.01
  5. Step 5: Solve for x
    x = 1,112,248,600.01/55,027.80
  6. Step 6: Final answer
    x = 20,212.49

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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.