Home / 30,289.32-45,405.90-27,797.76

Finding the Fourth Proportional to 30,289.32, 45,405.90 and 27,797.76

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Solution

The fourth proportional to 30,289.32, 45,405.90 and 27,797.76 is: 41,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.32 : 45,405.90 = 27,797.76 : x
  2. Step 2: Convert to fraction form
    30,289.32/45,405.90 = 27,797.76/x
  3. Step 3: Cross multiply
    30,289.32x = 45,405.90 × 27,797.76
  4. Step 4: Simplify right side
    30,289.32x = 1,262,182,310.78
  5. Step 5: Solve for x
    x = 1,262,182,310.78/30,289.32
  6. Step 6: Final answer
    x = 41,670.87

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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.