Home / 37,960.12-56,939.82-12,999.88

Finding the Fourth Proportional to 37,960.12, 56,939.82 and 12,999.88

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Solution

The fourth proportional to 37,960.12, 56,939.82 and 12,999.88 is: 19,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,960.12 : 56,939.82 = 12,999.88 : x
  2. Step 2: Convert to fraction form
    37,960.12/56,939.82 = 12,999.88/x
  3. Step 3: Cross multiply
    37,960.12x = 56,939.82 × 12,999.88
  4. Step 4: Simplify right side
    37,960.12x = 740,210,827.22
  5. Step 5: Solve for x
    x = 740,210,827.22/37,960.12
  6. Step 6: Final answer
    x = 19,499.70

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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.