Home / 50,753.94-76,129.16-13,313.72

Finding the Fourth Proportional to 50,753.94, 76,129.16 and 13,313.72

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Solution

The fourth proportional to 50,753.94, 76,129.16 and 13,313.72 is: 19,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,753.94 : 76,129.16 = 13,313.72 : x
  2. Step 2: Convert to fraction form
    50,753.94/76,129.16 = 13,313.72/x
  3. Step 3: Cross multiply
    50,753.94x = 76,129.16 × 13,313.72
  4. Step 4: Simplify right side
    50,753.94x = 1,013,561,872.86
  5. Step 5: Solve for x
    x = 1,013,561,872.86/50,753.94
  6. Step 6: Final answer
    x = 19,970.11

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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.