Home / 61,391.24-84,731.54-38,431.73

Finding the Fourth Proportional to 61,391.24, 84,731.54 and 38,431.73

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Solution

The fourth proportional to 61,391.24, 84,731.54 and 38,431.73 is: 53,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,391.24 : 84,731.54 = 38,431.73 : x
  2. Step 2: Convert to fraction form
    61,391.24/84,731.54 = 38,431.73/x
  3. Step 3: Cross multiply
    61,391.24x = 84,731.54 × 38,431.73
  4. Step 4: Simplify right side
    61,391.24x = 3,256,379,051.95
  5. Step 5: Solve for x
    x = 3,256,379,051.95/61,391.24
  6. Step 6: Final answer
    x = 53,043.06

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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.