Home / 51,252.40-76,936.20-39,617.20

Finding the Fourth Proportional to 51,252.40, 76,936.20 and 39,617.20

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Solution

The fourth proportional to 51,252.40, 76,936.20 and 39,617.20 is: 59,470.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,252.40 : 76,936.20 = 39,617.20 : x
  2. Step 2: Convert to fraction form
    51,252.40/76,936.20 = 39,617.20/x
  3. Step 3: Cross multiply
    51,252.40x = 76,936.20 × 39,617.20
  4. Step 4: Simplify right side
    51,252.40x = 3,047,996,822.64
  5. Step 5: Solve for x
    x = 3,047,996,822.64/51,252.40
  6. Step 6: Final answer
    x = 59,470.32

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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.