Home / 53,282.36-79,921.65-13,301.57

Finding the Fourth Proportional to 53,282.36, 79,921.65 and 13,301.57

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Solution

The fourth proportional to 53,282.36, 79,921.65 and 13,301.57 is: 19,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,282.36 : 79,921.65 = 13,301.57 : x
  2. Step 2: Convert to fraction form
    53,282.36/79,921.65 = 13,301.57/x
  3. Step 3: Cross multiply
    53,282.36x = 79,921.65 × 13,301.57
  4. Step 4: Simplify right side
    53,282.36x = 1,063,083,421.99
  5. Step 5: Solve for x
    x = 1,063,083,421.99/53,282.36
  6. Step 6: Final answer
    x = 19,951.88

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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.