Home / 38,201.80-57,303.44-13,242.66

Finding the Fourth Proportional to 38,201.80, 57,303.44 and 13,242.66

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Solution

The fourth proportional to 38,201.80, 57,303.44 and 13,242.66 is: 19,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,201.80 : 57,303.44 = 13,242.66 : x
  2. Step 2: Convert to fraction form
    38,201.80/57,303.44 = 13,242.66/x
  3. Step 3: Cross multiply
    38,201.80x = 57,303.44 × 13,242.66
  4. Step 4: Simplify right side
    38,201.80x = 758,849,972.75
  5. Step 5: Solve for x
    x = 758,849,972.75/38,201.80
  6. Step 6: Final answer
    x = 19,864.25

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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.