Home / 54,465.22-81,701.97-21,170.98

Finding the Fourth Proportional to 54,465.22, 81,701.97 and 21,170.98

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Solution

The fourth proportional to 54,465.22, 81,701.97 and 21,170.98 is: 31,758.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,465.22 : 81,701.97 = 21,170.98 : x
  2. Step 2: Convert to fraction form
    54,465.22/81,701.97 = 21,170.98/x
  3. Step 3: Cross multiply
    54,465.22x = 81,701.97 × 21,170.98
  4. Step 4: Simplify right side
    54,465.22x = 1,729,710,772.83
  5. Step 5: Solve for x
    x = 1,729,710,772.83/54,465.22
  6. Step 6: Final answer
    x = 31,758.08

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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.