Home / 48,715.10-73,017.34-20,617.62

Finding the Fourth Proportional to 48,715.10, 73,017.34 and 20,617.62

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Solution

The fourth proportional to 48,715.10, 73,017.34 and 20,617.62 is: 30,903.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,715.10 : 73,017.34 = 20,617.62 : x
  2. Step 2: Convert to fraction form
    48,715.10/73,017.34 = 20,617.62/x
  3. Step 3: Cross multiply
    48,715.10x = 73,017.34 × 20,617.62
  4. Step 4: Simplify right side
    48,715.10x = 1,505,443,769.53
  5. Step 5: Solve for x
    x = 1,505,443,769.53/48,715.10
  6. Step 6: Final answer
    x = 30,903.02

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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.