Home / 39,138.66-58,706.94-11,060.66

Finding the Fourth Proportional to 39,138.66, 58,706.94 and 11,060.66

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Solution

The fourth proportional to 39,138.66, 58,706.94 and 11,060.66 is: 16,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,138.66 : 58,706.94 = 11,060.66 : x
  2. Step 2: Convert to fraction form
    39,138.66/58,706.94 = 11,060.66/x
  3. Step 3: Cross multiply
    39,138.66x = 58,706.94 × 11,060.66
  4. Step 4: Simplify right side
    39,138.66x = 649,337,502.98
  5. Step 5: Solve for x
    x = 649,337,502.98/39,138.66
  6. Step 6: Final answer
    x = 16,590.69

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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.