Home / 54,220.17-81,314.61-18,680.04

Finding the Fourth Proportional to 54,220.17, 81,314.61 and 18,680.04

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Solution

The fourth proportional to 54,220.17, 81,314.61 and 18,680.04 is: 28,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,220.17 : 81,314.61 = 18,680.04 : x
  2. Step 2: Convert to fraction form
    54,220.17/81,314.61 = 18,680.04/x
  3. Step 3: Cross multiply
    54,220.17x = 81,314.61 × 18,680.04
  4. Step 4: Simplify right side
    54,220.17x = 1,518,960,167.38
  5. Step 5: Solve for x
    x = 1,518,960,167.38/54,220.17
  6. Step 6: Final answer
    x = 28,014.67

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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.