Home / 57,434.10-79,259.10-31,939.91

Finding the Fourth Proportional to 57,434.10, 79,259.10 and 31,939.91

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Solution

The fourth proportional to 57,434.10, 79,259.10 and 31,939.91 is: 44,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,434.10 : 79,259.10 = 31,939.91 : x
  2. Step 2: Convert to fraction form
    57,434.10/79,259.10 = 31,939.91/x
  3. Step 3: Cross multiply
    57,434.10x = 79,259.10 × 31,939.91
  4. Step 4: Simplify right side
    57,434.10x = 2,531,528,044.54
  5. Step 5: Solve for x
    x = 2,531,528,044.54/57,434.10
  6. Step 6: Final answer
    x = 44,077.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.