Home / 37,850.29-56,781.61-12,887.78

Finding the Fourth Proportional to 37,850.29, 56,781.61 and 12,887.78

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Solution

The fourth proportional to 37,850.29, 56,781.61 and 12,887.78 is: 19,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,850.29 : 56,781.61 = 12,887.78 : x
  2. Step 2: Convert to fraction form
    37,850.29/56,781.61 = 12,887.78/x
  3. Step 3: Cross multiply
    37,850.29x = 56,781.61 × 12,887.78
  4. Step 4: Simplify right side
    37,850.29x = 731,788,581.60
  5. Step 5: Solve for x
    x = 731,788,581.60/37,850.29
  6. Step 6: Final answer
    x = 19,333.77

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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.