Home / 39,002.61-53,823.34-21,097.36

Finding the Fourth Proportional to 39,002.61, 53,823.34 and 21,097.36

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Solution

The fourth proportional to 39,002.61, 53,823.34 and 21,097.36 is: 29,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002.61 : 53,823.34 = 21,097.36 : x
  2. Step 2: Convert to fraction form
    39,002.61/53,823.34 = 21,097.36/x
  3. Step 3: Cross multiply
    39,002.61x = 53,823.34 × 21,097.36
  4. Step 4: Simplify right side
    39,002.61x = 1,135,530,355.36
  5. Step 5: Solve for x
    x = 1,135,530,355.36/39,002.61
  6. Step 6: Final answer
    x = 29,114.21

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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.