Home / 53,268.42-79,902.66-18,208.38

Finding the Fourth Proportional to 53,268.42, 79,902.66 and 18,208.38

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Solution

The fourth proportional to 53,268.42, 79,902.66 and 18,208.38 is: 27,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,268.42 : 79,902.66 = 18,208.38 : x
  2. Step 2: Convert to fraction form
    53,268.42/79,902.66 = 18,208.38/x
  3. Step 3: Cross multiply
    53,268.42x = 79,902.66 × 18,208.38
  4. Step 4: Simplify right side
    53,268.42x = 1,454,897,996.29
  5. Step 5: Solve for x
    x = 1,454,897,996.29/53,268.42
  6. Step 6: Final answer
    x = 27,312.58

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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.