Home / 53,270.13-79,884.45-19,972.02

Finding the Fourth Proportional to 53,270.13, 79,884.45 and 19,972.02

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Solution

The fourth proportional to 53,270.13, 79,884.45 and 19,972.02 is: 29,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,270.13 : 79,884.45 = 19,972.02 : x
  2. Step 2: Convert to fraction form
    53,270.13/79,884.45 = 19,972.02/x
  3. Step 3: Cross multiply
    53,270.13x = 79,884.45 × 19,972.02
  4. Step 4: Simplify right side
    53,270.13x = 1,595,453,833.09
  5. Step 5: Solve for x
    x = 1,595,453,833.09/53,270.13
  6. Step 6: Final answer
    x = 29,950.25

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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.