Home / 56,046.12-84,050.73-20,499.36

Finding the Fourth Proportional to 56,046.12, 84,050.73 and 20,499.36

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Solution

The fourth proportional to 56,046.12, 84,050.73 and 20,499.36 is: 30,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,046.12 : 84,050.73 = 20,499.36 : x
  2. Step 2: Convert to fraction form
    56,046.12/84,050.73 = 20,499.36/x
  3. Step 3: Cross multiply
    56,046.12x = 84,050.73 × 20,499.36
  4. Step 4: Simplify right side
    56,046.12x = 1,722,986,172.53
  5. Step 5: Solve for x
    x = 1,722,986,172.53/56,046.12
  6. Step 6: Final answer
    x = 30,742.29

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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.