Home / 37,458.77-56,169.35-12,489.98

Finding the Fourth Proportional to 37,458.77, 56,169.35 and 12,489.98

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Solution

The fourth proportional to 37,458.77, 56,169.35 and 12,489.98 is: 18,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,458.77 : 56,169.35 = 12,489.98 : x
  2. Step 2: Convert to fraction form
    37,458.77/56,169.35 = 12,489.98/x
  3. Step 3: Cross multiply
    37,458.77x = 56,169.35 × 12,489.98
  4. Step 4: Simplify right side
    37,458.77x = 701,553,995.66
  5. Step 5: Solve for x
    x = 701,553,995.66/37,458.77
  6. Step 6: Final answer
    x = 18,728.70

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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.