Home / 30,102.24-45,155.52-10,380.51

Finding the Fourth Proportional to 30,102.24, 45,155.52 and 10,380.51

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Solution

The fourth proportional to 30,102.24, 45,155.52 and 10,380.51 is: 15,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,102.24 : 45,155.52 = 10,380.51 : x
  2. Step 2: Convert to fraction form
    30,102.24/45,155.52 = 10,380.51/x
  3. Step 3: Cross multiply
    30,102.24x = 45,155.52 × 10,380.51
  4. Step 4: Simplify right side
    30,102.24x = 468,737,049.24
  5. Step 5: Solve for x
    x = 468,737,049.24/30,102.24
  6. Step 6: Final answer
    x = 15,571.50

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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.