Home / 39,001.88-53,822.60-21,097.02

Finding the Fourth Proportional to 39,001.88, 53,822.60 and 21,097.02

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Solution

The fourth proportional to 39,001.88, 53,822.60 and 21,097.02 is: 29,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.88 : 53,822.60 = 21,097.02 : x
  2. Step 2: Convert to fraction form
    39,001.88/53,822.60 = 21,097.02/x
  3. Step 3: Cross multiply
    39,001.88x = 53,822.60 × 21,097.02
  4. Step 4: Simplify right side
    39,001.88x = 1,135,496,363.17
  5. Step 5: Solve for x
    x = 1,135,496,363.17/39,001.88
  6. Step 6: Final answer
    x = 29,113.89

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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.