Home / 34,785.46-48,006.30-19,678.12

Finding the Fourth Proportional to 34,785.46, 48,006.30 and 19,678.12

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Solution

The fourth proportional to 34,785.46, 48,006.30 and 19,678.12 is: 27,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,785.46 : 48,006.30 = 19,678.12 : x
  2. Step 2: Convert to fraction form
    34,785.46/48,006.30 = 19,678.12/x
  3. Step 3: Cross multiply
    34,785.46x = 48,006.30 × 19,678.12
  4. Step 4: Simplify right side
    34,785.46x = 944,673,732.16
  5. Step 5: Solve for x
    x = 944,673,732.16/34,785.46
  6. Step 6: Final answer
    x = 27,157.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.