Home / 53,270.05-79,884.29-19,971.94

Finding the Fourth Proportional to 53,270.05, 79,884.29 and 19,971.94

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Solution

The fourth proportional to 53,270.05, 79,884.29 and 19,971.94 is: 29,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,270.05 : 79,884.29 = 19,971.94 : x
  2. Step 2: Convert to fraction form
    53,270.05/79,884.29 = 19,971.94/x
  3. Step 3: Cross multiply
    53,270.05x = 79,884.29 × 19,971.94
  4. Step 4: Simplify right side
    53,270.05x = 1,595,444,097.04
  5. Step 5: Solve for x
    x = 1,595,444,097.04/53,270.05
  6. Step 6: Final answer
    x = 29,950.12

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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.