Home / 53,233.24-79,806.06-21,215.56

Finding the Fourth Proportional to 53,233.24, 79,806.06 and 21,215.56

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Solution

The fourth proportional to 53,233.24, 79,806.06 and 21,215.56 is: 31,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,233.24 : 79,806.06 = 21,215.56 : x
  2. Step 2: Convert to fraction form
    53,233.24/79,806.06 = 21,215.56/x
  3. Step 3: Cross multiply
    53,233.24x = 79,806.06 × 21,215.56
  4. Step 4: Simplify right side
    53,233.24x = 1,693,130,254.29
  5. Step 5: Solve for x
    x = 1,693,130,254.29/53,233.24
  6. Step 6: Final answer
    x = 31,805.88

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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.