Home / 53,272.76-79,888.36-19,974.68

Finding the Fourth Proportional to 53,272.76, 79,888.36 and 19,974.68

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Solution

The fourth proportional to 53,272.76, 79,888.36 and 19,974.68 is: 29,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,272.76 : 79,888.36 = 19,974.68 : x
  2. Step 2: Convert to fraction form
    53,272.76/79,888.36 = 19,974.68/x
  3. Step 3: Cross multiply
    53,272.76x = 79,888.36 × 19,974.68
  4. Step 4: Simplify right side
    53,272.76x = 1,595,743,977.35
  5. Step 5: Solve for x
    x = 1,595,743,977.35/53,272.76
  6. Step 6: Final answer
    x = 29,954.22

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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.