Home / 30,065.56-45,098.30-12,061.92

Finding the Fourth Proportional to 30,065.56, 45,098.30 and 12,061.92

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Solution

The fourth proportional to 30,065.56, 45,098.30 and 12,061.92 is: 18,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.56 : 45,098.30 = 12,061.92 : x
  2. Step 2: Convert to fraction form
    30,065.56/45,098.30 = 12,061.92/x
  3. Step 3: Cross multiply
    30,065.56x = 45,098.30 × 12,061.92
  4. Step 4: Simplify right side
    30,065.56x = 543,972,086.74
  5. Step 5: Solve for x
    x = 543,972,086.74/30,065.56
  6. Step 6: Final answer
    x = 18,092.86

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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.