Home / 45,018.24-67,405.86-30,195.24

Finding the Fourth Proportional to 45,018.24, 67,405.86 and 30,195.24

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Solution

The fourth proportional to 45,018.24, 67,405.86 and 30,195.24 is: 45,211.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,018.24 : 67,405.86 = 30,195.24 : x
  2. Step 2: Convert to fraction form
    45,018.24/67,405.86 = 30,195.24/x
  3. Step 3: Cross multiply
    45,018.24x = 67,405.86 × 30,195.24
  4. Step 4: Simplify right side
    45,018.24x = 2,035,336,120.11
  5. Step 5: Solve for x
    x = 2,035,336,120.11/45,018.24
  6. Step 6: Final answer
    x = 45,211.37

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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.