Home / 53,205.26-79,610.74-42,643.24

Finding the Fourth Proportional to 53,205.26, 79,610.74 and 42,643.24

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Solution

The fourth proportional to 53,205.26, 79,610.74 and 42,643.24 is: 63,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,205.26 : 79,610.74 = 42,643.24 : x
  2. Step 2: Convert to fraction form
    53,205.26/79,610.74 = 42,643.24/x
  3. Step 3: Cross multiply
    53,205.26x = 79,610.74 × 42,643.24
  4. Step 4: Simplify right side
    53,205.26x = 3,394,859,586.76
  5. Step 5: Solve for x
    x = 3,394,859,586.76/53,205.26
  6. Step 6: Final answer
    x = 63,806.85

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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.