Home / 30,219.06-45,330.62-8,032.62

Finding the Fourth Proportional to 30,219.06, 45,330.62 and 8,032.62

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Solution

The fourth proportional to 30,219.06, 45,330.62 and 8,032.62 is: 12,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.06 : 45,330.62 = 8,032.62 : x
  2. Step 2: Convert to fraction form
    30,219.06/45,330.62 = 8,032.62/x
  3. Step 3: Cross multiply
    30,219.06x = 45,330.62 × 8,032.62
  4. Step 4: Simplify right side
    30,219.06x = 364,123,644.82
  5. Step 5: Solve for x
    x = 364,123,644.82/30,219.06
  6. Step 6: Final answer
    x = 12,049.47

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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.