Home / 39,365.73-54,324.54-21,460.68

Finding the Fourth Proportional to 39,365.73, 54,324.54 and 21,460.68

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Solution

The fourth proportional to 39,365.73, 54,324.54 and 21,460.68 is: 29,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,365.73 : 54,324.54 = 21,460.68 : x
  2. Step 2: Convert to fraction form
    39,365.73/54,324.54 = 21,460.68/x
  3. Step 3: Cross multiply
    39,365.73x = 54,324.54 × 21,460.68
  4. Step 4: Simplify right side
    39,365.73x = 1,165,841,569.09
  5. Step 5: Solve for x
    x = 1,165,841,569.09/39,365.73
  6. Step 6: Final answer
    x = 29,615.65

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1.5x scale

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.