Home / 56,084.04-84,134.49-18,120.63

Finding the Fourth Proportional to 56,084.04, 84,134.49 and 18,120.63

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Solution

The fourth proportional to 56,084.04, 84,134.49 and 18,120.63 is: 27,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,084.04 : 84,134.49 = 18,120.63 : x
  2. Step 2: Convert to fraction form
    56,084.04/84,134.49 = 18,120.63/x
  3. Step 3: Cross multiply
    56,084.04x = 84,134.49 × 18,120.63
  4. Step 4: Simplify right side
    56,084.04x = 1,524,569,963.53
  5. Step 5: Solve for x
    x = 1,524,569,963.53/56,084.04
  6. Step 6: Final answer
    x = 27,183.67

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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.