Home / 37,455.70-56,110.65-20,785.90

Finding the Fourth Proportional to 37,455.70, 56,110.65 and 20,785.90

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Solution

The fourth proportional to 37,455.70, 56,110.65 and 20,785.90 is: 31,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,455.70 : 56,110.65 = 20,785.90 : x
  2. Step 2: Convert to fraction form
    37,455.70/56,110.65 = 20,785.90/x
  3. Step 3: Cross multiply
    37,455.70x = 56,110.65 × 20,785.90
  4. Step 4: Simplify right side
    37,455.70x = 1,166,310,359.84
  5. Step 5: Solve for x
    x = 1,166,310,359.84/37,455.70
  6. Step 6: Final answer
    x = 31,138.39

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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.