Home / 48,711.10-73,011.34-20,613.62

Finding the Fourth Proportional to 48,711.10, 73,011.34 and 20,613.62

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Solution

The fourth proportional to 48,711.10, 73,011.34 and 20,613.62 is: 30,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,711.10 : 73,011.34 = 20,613.62 : x
  2. Step 2: Convert to fraction form
    48,711.10/73,011.34 = 20,613.62/x
  3. Step 3: Cross multiply
    48,711.10x = 73,011.34 × 20,613.62
  4. Step 4: Simplify right side
    48,711.10x = 1,505,028,018.45
  5. Step 5: Solve for x
    x = 1,505,028,018.45/48,711.10
  6. Step 6: Final answer
    x = 30,897.02

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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.