Home / 39,024.78-53,854.29-21,119.96

Finding the Fourth Proportional to 39,024.78, 53,854.29 and 21,119.96

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Solution

The fourth proportional to 39,024.78, 53,854.29 and 21,119.96 is: 29,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,024.78 : 53,854.29 = 21,119.96 : x
  2. Step 2: Convert to fraction form
    39,024.78/53,854.29 = 21,119.96/x
  3. Step 3: Cross multiply
    39,024.78x = 53,854.29 × 21,119.96
  4. Step 4: Simplify right side
    39,024.78x = 1,137,400,181.36
  5. Step 5: Solve for x
    x = 1,137,400,181.36/39,024.78
  6. Step 6: Final answer
    x = 29,145.59

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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.