Home / 48,349.20-72,466.20-20,269.20

Finding the Fourth Proportional to 48,349.20, 72,466.20 and 20,269.20

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Solution

The fourth proportional to 48,349.20, 72,466.20 and 20,269.20 is: 30,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,349.20 : 72,466.20 = 20,269.20 : x
  2. Step 2: Convert to fraction form
    48,349.20/72,466.20 = 20,269.20/x
  3. Step 3: Cross multiply
    48,349.20x = 72,466.20 × 20,269.20
  4. Step 4: Simplify right side
    48,349.20x = 1,468,831,901.04
  5. Step 5: Solve for x
    x = 1,468,831,901.04/48,349.20
  6. Step 6: Final answer
    x = 30,379.65

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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.