Home / 66,187.13-99,293.00-21,817.02

Finding the Fourth Proportional to 66,187.13, 99,293.00 and 21,817.02

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Solution

The fourth proportional to 66,187.13, 99,293.00 and 21,817.02 is: 32,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,187.13 : 99,293.00 = 21,817.02 : x
  2. Step 2: Convert to fraction form
    66,187.13/99,293.00 = 21,817.02/x
  3. Step 3: Cross multiply
    66,187.13x = 99,293.00 × 21,817.02
  4. Step 4: Simplify right side
    66,187.13x = 2,166,277,257.77
  5. Step 5: Solve for x
    x = 2,166,277,257.77/66,187.13
  6. Step 6: Final answer
    x = 32,729.58

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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.