Home / 49,864.32-74,796.80-12,424.48

Finding the Fourth Proportional to 49,864.32, 74,796.80 and 12,424.48

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Solution

The fourth proportional to 49,864.32, 74,796.80 and 12,424.48 is: 18,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,864.32 : 74,796.80 = 12,424.48 : x
  2. Step 2: Convert to fraction form
    49,864.32/74,796.80 = 12,424.48/x
  3. Step 3: Cross multiply
    49,864.32x = 74,796.80 × 12,424.48
  4. Step 4: Simplify right side
    49,864.32x = 929,311,345.66
  5. Step 5: Solve for x
    x = 929,311,345.66/49,864.32
  6. Step 6: Final answer
    x = 18,636.80

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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.