Home / 30,251.17-45,384.20-10,529.90

Finding the Fourth Proportional to 30,251.17, 45,384.20 and 10,529.90

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Solution

The fourth proportional to 30,251.17, 45,384.20 and 10,529.90 is: 15,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.17 : 45,384.20 = 10,529.90 : x
  2. Step 2: Convert to fraction form
    30,251.17/45,384.20 = 10,529.90/x
  3. Step 3: Cross multiply
    30,251.17x = 45,384.20 × 10,529.90
  4. Step 4: Simplify right side
    30,251.17x = 477,891,017.69
  5. Step 5: Solve for x
    x = 477,891,017.69/30,251.17
  6. Step 6: Final answer
    x = 15,797.44

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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.