Home / 38,715.30-58,077.27-12,410.82

Finding the Fourth Proportional to 38,715.30, 58,077.27 and 12,410.82

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Solution

The fourth proportional to 38,715.30, 58,077.27 and 12,410.82 is: 18,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,715.30 : 58,077.27 = 12,410.82 : x
  2. Step 2: Convert to fraction form
    38,715.30/58,077.27 = 12,410.82/x
  3. Step 3: Cross multiply
    38,715.30x = 58,077.27 × 12,410.82
  4. Step 4: Simplify right side
    38,715.30x = 720,786,544.06
  5. Step 5: Solve for x
    x = 720,786,544.06/38,715.30
  6. Step 6: Final answer
    x = 18,617.61

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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.