Home / 54,943.32-82,448.82-21,657.72

Finding the Fourth Proportional to 54,943.32, 82,448.82 and 21,657.72

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Solution

The fourth proportional to 54,943.32, 82,448.82 and 21,657.72 is: 32,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,943.32 : 82,448.82 = 21,657.72 : x
  2. Step 2: Convert to fraction form
    54,943.32/82,448.82 = 21,657.72/x
  3. Step 3: Cross multiply
    54,943.32x = 82,448.82 × 21,657.72
  4. Step 4: Simplify right side
    54,943.32x = 1,785,653,457.89
  5. Step 5: Solve for x
    x = 1,785,653,457.89/54,943.32
  6. Step 6: Final answer
    x = 32,499.92

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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.