Home / 30,251.82-45,374.09-10,528.73

Finding the Fourth Proportional to 30,251.82, 45,374.09 and 10,528.73

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Solution

The fourth proportional to 30,251.82, 45,374.09 and 10,528.73 is: 15,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.82 : 45,374.09 = 10,528.73 : x
  2. Step 2: Convert to fraction form
    30,251.82/45,374.09 = 10,528.73/x
  3. Step 3: Cross multiply
    30,251.82x = 45,374.09 × 10,528.73
  4. Step 4: Simplify right side
    30,251.82x = 477,731,263.09
  5. Step 5: Solve for x
    x = 477,731,263.09/30,251.82
  6. Step 6: Final answer
    x = 15,791.82

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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.