Home / 39,122.48-53,918.52-28,495.28

Finding the Fourth Proportional to 39,122.48, 53,918.52 and 28,495.28

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Solution

The fourth proportional to 39,122.48, 53,918.52 and 28,495.28 is: 39,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,122.48 : 53,918.52 = 28,495.28 : x
  2. Step 2: Convert to fraction form
    39,122.48/53,918.52 = 28,495.28/x
  3. Step 3: Cross multiply
    39,122.48x = 53,918.52 × 28,495.28
  4. Step 4: Simplify right side
    39,122.48x = 1,536,423,324.59
  5. Step 5: Solve for x
    x = 1,536,423,324.59/39,122.48
  6. Step 6: Final answer
    x = 39,272.14

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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.