Home / 66,210.06-99,294-21,828.54

Finding the Fourth Proportional to 66,210.06, 99,294 and 21,828.54

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Solution

The fourth proportional to 66,210.06, 99,294 and 21,828.54 is: 32,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,210.06 : 99,294 = 21,828.54 : x
  2. Step 2: Convert to fraction form
    66,210.06/99,294 = 21,828.54/x
  3. Step 3: Cross multiply
    66,210.06x = 99,294 × 21,828.54
  4. Step 4: Simplify right side
    66,210.06x = 2,167,443,050.76
  5. Step 5: Solve for x
    x = 2,167,443,050.76/66,210.06
  6. Step 6: Final answer
    x = 32,735.86

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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.