Home / 57,411.36-79,221.44-31,918.82

Finding the Fourth Proportional to 57,411.36, 79,221.44 and 31,918.82

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Solution

The fourth proportional to 57,411.36, 79,221.44 and 31,918.82 is: 44,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,411.36 : 79,221.44 = 31,918.82 : x
  2. Step 2: Convert to fraction form
    57,411.36/79,221.44 = 31,918.82/x
  3. Step 3: Cross multiply
    57,411.36x = 79,221.44 × 31,918.82
  4. Step 4: Simplify right side
    57,411.36x = 2,528,654,567.19
  5. Step 5: Solve for x
    x = 2,528,654,567.19/57,411.36
  6. Step 6: Final answer
    x = 44,044.50

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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.