Home / 39,988.54-54,784.05-38,493.26

Finding the Fourth Proportional to 39,988.54, 54,784.05 and 38,493.26

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Solution

The fourth proportional to 39,988.54, 54,784.05 and 38,493.26 is: 52,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988.54 : 54,784.05 = 38,493.26 : x
  2. Step 2: Convert to fraction form
    39,988.54/54,784.05 = 38,493.26/x
  3. Step 3: Cross multiply
    39,988.54x = 54,784.05 × 38,493.26
  4. Step 4: Simplify right side
    39,988.54x = 2,108,816,488.04
  5. Step 5: Solve for x
    x = 2,108,816,488.04/39,988.54
  6. Step 6: Final answer
    x = 52,735.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.