Home / 61,220.30-91,850.30-30,033.68

Finding the Fourth Proportional to 61,220.30, 91,850.30 and 30,033.68

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Solution

The fourth proportional to 61,220.30, 91,850.30 and 30,033.68 is: 45,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,220.30 : 91,850.30 = 30,033.68 : x
  2. Step 2: Convert to fraction form
    61,220.30/91,850.30 = 30,033.68/x
  3. Step 3: Cross multiply
    61,220.30x = 91,850.30 × 30,033.68
  4. Step 4: Simplify right side
    61,220.30x = 2,758,602,518.10
  5. Step 5: Solve for x
    x = 2,758,602,518.10/61,220.30
  6. Step 6: Final answer
    x = 45,060.26

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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.