Home / 34,319.40-51,454.80-13,251.30

Finding the Fourth Proportional to 34,319.40, 51,454.80 and 13,251.30

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Solution

The fourth proportional to 34,319.40, 51,454.80 and 13,251.30 is: 19,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,319.40 : 51,454.80 = 13,251.30 : x
  2. Step 2: Convert to fraction form
    34,319.40/51,454.80 = 13,251.30/x
  3. Step 3: Cross multiply
    34,319.40x = 51,454.80 × 13,251.30
  4. Step 4: Simplify right side
    34,319.40x = 681,842,991.24
  5. Step 5: Solve for x
    x = 681,842,991.24/34,319.40
  6. Step 6: Final answer
    x = 19,867.57

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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.