Home / 53,374.47-79,996.96-39,203.09

Finding the Fourth Proportional to 53,374.47, 79,996.96 and 39,203.09

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Solution

The fourth proportional to 53,374.47, 79,996.96 and 39,203.09 is: 58,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,374.47 : 79,996.96 = 39,203.09 : x
  2. Step 2: Convert to fraction form
    53,374.47/79,996.96 = 39,203.09/x
  3. Step 3: Cross multiply
    53,374.47x = 79,996.96 × 39,203.09
  4. Step 4: Simplify right side
    53,374.47x = 3,136,128,022.61
  5. Step 5: Solve for x
    x = 3,136,128,022.61/53,374.47
  6. Step 6: Final answer
    x = 58,757.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.