Home / 49,693.51-74,540.31-12,254.20

Finding the Fourth Proportional to 49,693.51, 74,540.31 and 12,254.20

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Solution

The fourth proportional to 49,693.51, 74,540.31 and 12,254.20 is: 18,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,693.51 : 74,540.31 = 12,254.20 : x
  2. Step 2: Convert to fraction form
    49,693.51/74,540.31 = 12,254.20/x
  3. Step 3: Cross multiply
    49,693.51x = 74,540.31 × 12,254.20
  4. Step 4: Simplify right side
    49,693.51x = 913,431,866.80
  5. Step 5: Solve for x
    x = 913,431,866.80/49,693.51
  6. Step 6: Final answer
    x = 18,381.31

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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.