Home / 34,359.72-51,523.28-13,309.62

Finding the Fourth Proportional to 34,359.72, 51,523.28 and 13,309.62

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Solution

The fourth proportional to 34,359.72, 51,523.28 and 13,309.62 is: 19,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,359.72 : 51,523.28 = 13,309.62 : x
  2. Step 2: Convert to fraction form
    34,359.72/51,523.28 = 13,309.62/x
  3. Step 3: Cross multiply
    34,359.72x = 51,523.28 × 13,309.62
  4. Step 4: Simplify right side
    34,359.72x = 685,755,277.95
  5. Step 5: Solve for x
    x = 685,755,277.95/34,359.72
  6. Step 6: Final answer
    x = 19,958.12

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1.5x scale

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.