Home / 53,759.10-74,190.18-29,885.25

Finding the Fourth Proportional to 53,759.10, 74,190.18 and 29,885.25

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Solution

The fourth proportional to 53,759.10, 74,190.18 and 29,885.25 is: 41,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,759.10 : 74,190.18 = 29,885.25 : x
  2. Step 2: Convert to fraction form
    53,759.10/74,190.18 = 29,885.25/x
  3. Step 3: Cross multiply
    53,759.10x = 74,190.18 × 29,885.25
  4. Step 4: Simplify right side
    53,759.10x = 2,217,192,076.85
  5. Step 5: Solve for x
    x = 2,217,192,076.85/53,759.10
  6. Step 6: Final answer
    x = 41,243.10

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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.