Home / 48,758.46-73,123.20-20,678.10

Finding the Fourth Proportional to 48,758.46, 73,123.20 and 20,678.10

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Solution

The fourth proportional to 48,758.46, 73,123.20 and 20,678.10 is: 31,011.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,758.46 : 73,123.20 = 20,678.10 : x
  2. Step 2: Convert to fraction form
    48,758.46/73,123.20 = 20,678.10/x
  3. Step 3: Cross multiply
    48,758.46x = 73,123.20 × 20,678.10
  4. Step 4: Simplify right side
    48,758.46x = 1,512,048,841.92
  5. Step 5: Solve for x
    x = 1,512,048,841.92/48,758.46
  6. Step 6: Final answer
    x = 31,011.00

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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.