Home / 39,365.52-54,324.06-21,460.52

Finding the Fourth Proportional to 39,365.52, 54,324.06 and 21,460.52

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Solution

The fourth proportional to 39,365.52, 54,324.06 and 21,460.52 is: 29,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,365.52 : 54,324.06 = 21,460.52 : x
  2. Step 2: Convert to fraction form
    39,365.52/54,324.06 = 21,460.52/x
  3. Step 3: Cross multiply
    39,365.52x = 54,324.06 × 21,460.52
  4. Step 4: Simplify right side
    39,365.52x = 1,165,822,576.11
  5. Step 5: Solve for x
    x = 1,165,822,576.11/39,365.52
  6. Step 6: Final answer
    x = 29,615.32

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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.