Home / 53,269.73-79,883.81-19,971.62

Finding the Fourth Proportional to 53,269.73, 79,883.81 and 19,971.62

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Solution

The fourth proportional to 53,269.73, 79,883.81 and 19,971.62 is: 29,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,269.73 : 79,883.81 = 19,971.62 : x
  2. Step 2: Convert to fraction form
    53,269.73/79,883.81 = 19,971.62/x
  3. Step 3: Cross multiply
    53,269.73x = 79,883.81 × 19,971.62
  4. Step 4: Simplify right side
    53,269.73x = 1,595,408,598.20
  5. Step 5: Solve for x
    x = 1,595,408,598.20/53,269.73
  6. Step 6: Final answer
    x = 29,949.63

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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.