Home / 51,661.30-77,540.46-25,384.90

Finding the Fourth Proportional to 51,661.30, 77,540.46 and 25,384.90

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Solution

The fourth proportional to 51,661.30, 77,540.46 and 25,384.90 is: 38,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,661.30 : 77,540.46 = 25,384.90 : x
  2. Step 2: Convert to fraction form
    51,661.30/77,540.46 = 25,384.90/x
  3. Step 3: Cross multiply
    51,661.30x = 77,540.46 × 25,384.90
  4. Step 4: Simplify right side
    51,661.30x = 1,968,356,823.05
  5. Step 5: Solve for x
    x = 1,968,356,823.05/51,661.30
  6. Step 6: Final answer
    x = 38,101.19

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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.