Home / 55,249.91-82,880.21-21,962.51

Finding the Fourth Proportional to 55,249.91, 82,880.21 and 21,962.51

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Solution

The fourth proportional to 55,249.91, 82,880.21 and 21,962.51 is: 32,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,249.91 : 82,880.21 = 21,962.51 : x
  2. Step 2: Convert to fraction form
    55,249.91/82,880.21 = 21,962.51/x
  3. Step 3: Cross multiply
    55,249.91x = 82,880.21 × 21,962.51
  4. Step 4: Simplify right side
    55,249.91x = 1,820,256,916.71
  5. Step 5: Solve for x
    x = 1,820,256,916.71/55,249.91
  6. Step 6: Final answer
    x = 32,945.88

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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.