Home / 48,835.40-73,253.10-20,748.20

Finding the Fourth Proportional to 48,835.40, 73,253.10 and 20,748.20

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Solution

The fourth proportional to 48,835.40, 73,253.10 and 20,748.20 is: 31,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,835.40 : 73,253.10 = 20,748.20 : x
  2. Step 2: Convert to fraction form
    48,835.40/73,253.10 = 20,748.20/x
  3. Step 3: Cross multiply
    48,835.40x = 73,253.10 × 20,748.20
  4. Step 4: Simplify right side
    48,835.40x = 1,519,869,969.42
  5. Step 5: Solve for x
    x = 1,519,869,969.42/48,835.40
  6. Step 6: Final answer
    x = 31,122.30

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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.