Home / 37,187.72-55,781.58-9,485.72

Finding the Fourth Proportional to 37,187.72, 55,781.58 and 9,485.72

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Solution

The fourth proportional to 37,187.72, 55,781.58 and 9,485.72 is: 14,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,187.72 : 55,781.58 = 9,485.72 : x
  2. Step 2: Convert to fraction form
    37,187.72/55,781.58 = 9,485.72/x
  3. Step 3: Cross multiply
    37,187.72x = 55,781.58 × 9,485.72
  4. Step 4: Simplify right side
    37,187.72x = 529,128,414.88
  5. Step 5: Solve for x
    x = 529,128,414.88/37,187.72
  6. Step 6: Final answer
    x = 14,228.58

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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.