Home / 53,612.38-80,418.57-36,728.74

Finding the Fourth Proportional to 53,612.38, 80,418.57 and 36,728.74

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Solution

The fourth proportional to 53,612.38, 80,418.57 and 36,728.74 is: 55,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,612.38 : 80,418.57 = 36,728.74 : x
  2. Step 2: Convert to fraction form
    53,612.38/80,418.57 = 36,728.74/x
  3. Step 3: Cross multiply
    53,612.38x = 80,418.57 × 36,728.74
  4. Step 4: Simplify right side
    53,612.38x = 2,953,672,162.97
  5. Step 5: Solve for x
    x = 2,953,672,162.97/53,612.38
  6. Step 6: Final answer
    x = 55,093.10

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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.