Home / 61,212.02-84,391.37-39,954.38

Finding the Fourth Proportional to 61,212.02, 84,391.37 and 39,954.38

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Solution

The fourth proportional to 61,212.02, 84,391.37 and 39,954.38 is: 55,084.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,212.02 : 84,391.37 = 39,954.38 : x
  2. Step 2: Convert to fraction form
    61,212.02/84,391.37 = 39,954.38/x
  3. Step 3: Cross multiply
    61,212.02x = 84,391.37 × 39,954.38
  4. Step 4: Simplify right side
    61,212.02x = 3,371,804,243.97
  5. Step 5: Solve for x
    x = 3,371,804,243.97/61,212.02
  6. Step 6: Final answer
    x = 55,084.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.