Home / 38,960.24-58,427.10-12,658.46

Finding the Fourth Proportional to 38,960.24, 58,427.10 and 12,658.46

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Solution

The fourth proportional to 38,960.24, 58,427.10 and 12,658.46 is: 18,983.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,960.24 : 58,427.10 = 12,658.46 : x
  2. Step 2: Convert to fraction form
    38,960.24/58,427.10 = 12,658.46/x
  3. Step 3: Cross multiply
    38,960.24x = 58,427.10 × 12,658.46
  4. Step 4: Simplify right side
    38,960.24x = 739,597,108.27
  5. Step 5: Solve for x
    x = 739,597,108.27/38,960.24
  6. Step 6: Final answer
    x = 18,983.38

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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.