Home / 53,306.69-79,950.36-13,861.36

Finding the Fourth Proportional to 53,306.69, 79,950.36 and 13,861.36

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Solution

The fourth proportional to 53,306.69, 79,950.36 and 13,861.36 is: 20,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,306.69 : 79,950.36 = 13,861.36 : x
  2. Step 2: Convert to fraction form
    53,306.69/79,950.36 = 13,861.36/x
  3. Step 3: Cross multiply
    53,306.69x = 79,950.36 × 13,861.36
  4. Step 4: Simplify right side
    53,306.69x = 1,108,220,322.34
  5. Step 5: Solve for x
    x = 1,108,220,322.34/53,306.69
  6. Step 6: Final answer
    x = 20,789.52

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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.