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Finding the Fourth Proportional to 37,959.36, 56,939.04 and 19,236.48

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Solution

The fourth proportional to 37,959.36, 56,939.04 and 19,236.48 is: 28,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,959.36 : 56,939.04 = 19,236.48 : x
  2. Step 2: Convert to fraction form
    37,959.36/56,939.04 = 19,236.48/x
  3. Step 3: Cross multiply
    37,959.36x = 56,939.04 × 19,236.48
  4. Step 4: Simplify right side
    37,959.36x = 1,095,306,704.18
  5. Step 5: Solve for x
    x = 1,095,306,704.18/37,959.36
  6. Step 6: Final answer
    x = 28,854.72

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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.