Home / 39,024.86-53,854.11-21,119.87

Finding the Fourth Proportional to 39,024.86, 53,854.11 and 21,119.87

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Solution

The fourth proportional to 39,024.86, 53,854.11 and 21,119.87 is: 29,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,024.86 : 53,854.11 = 21,119.87 : x
  2. Step 2: Convert to fraction form
    39,024.86/53,854.11 = 21,119.87/x
  3. Step 3: Cross multiply
    39,024.86x = 53,854.11 × 21,119.87
  4. Step 4: Simplify right side
    39,024.86x = 1,137,391,802.17
  5. Step 5: Solve for x
    x = 1,137,391,802.17/39,024.86
  6. Step 6: Final answer
    x = 29,145.31

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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.