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Finding the Fourth Proportional to 37,201.60, 55,737.60 and 31,369.60

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Solution

The fourth proportional to 37,201.60, 55,737.60 and 31,369.60 is: 46,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,201.60 : 55,737.60 = 31,369.60 : x
  2. Step 2: Convert to fraction form
    37,201.60/55,737.60 = 31,369.60/x
  3. Step 3: Cross multiply
    37,201.60x = 55,737.60 × 31,369.60
  4. Step 4: Simplify right side
    37,201.60x = 1,748,466,216.96
  5. Step 5: Solve for x
    x = 1,748,466,216.96/37,201.60
  6. Step 6: Final answer
    x = 46,999.76

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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.