Home / 73,868.12-110,785.98-21,266.18

Finding the Fourth Proportional to 73,868.12, 110,785.98 and 21,266.18

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Solution

The fourth proportional to 73,868.12, 110,785.98 and 21,266.18 is: 31,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,868.12 : 110,785.98 = 21,266.18 : x
  2. Step 2: Convert to fraction form
    73,868.12/110,785.98 = 21,266.18/x
  3. Step 3: Cross multiply
    73,868.12x = 110,785.98 × 21,266.18
  4. Step 4: Simplify right side
    73,868.12x = 2,355,994,485.83
  5. Step 5: Solve for x
    x = 2,355,994,485.83/73,868.12
  6. Step 6: Final answer
    x = 31,894.60

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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.