Home / 35,420.26-53,139.52-13,233.78

Finding the Fourth Proportional to 35,420.26, 53,139.52 and 13,233.78

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Solution

The fourth proportional to 35,420.26, 53,139.52 and 13,233.78 is: 19,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.26 : 53,139.52 = 13,233.78 : x
  2. Step 2: Convert to fraction form
    35,420.26/53,139.52 = 13,233.78/x
  3. Step 3: Cross multiply
    35,420.26x = 53,139.52 × 13,233.78
  4. Step 4: Simplify right side
    35,420.26x = 703,236,716.99
  5. Step 5: Solve for x
    x = 703,236,716.99/35,420.26
  6. Step 6: Final answer
    x = 19,854.08

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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.