Home / 53,291.07-79,849.13-18,211.59

Finding the Fourth Proportional to 53,291.07, 79,849.13 and 18,211.59

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Solution

The fourth proportional to 53,291.07, 79,849.13 and 18,211.59 is: 27,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,291.07 : 79,849.13 = 18,211.59 : x
  2. Step 2: Convert to fraction form
    53,291.07/79,849.13 = 18,211.59/x
  3. Step 3: Cross multiply
    53,291.07x = 79,849.13 × 18,211.59
  4. Step 4: Simplify right side
    53,291.07x = 1,454,179,526.36
  5. Step 5: Solve for x
    x = 1,454,179,526.36/53,291.07
  6. Step 6: Final answer
    x = 27,287.49

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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.