Home / 50,529.80-75,857.10-31,809.80

Finding the Fourth Proportional to 50,529.80, 75,857.10 and 31,809.80

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Solution

The fourth proportional to 50,529.80, 75,857.10 and 31,809.80 is: 47,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,529.80 : 75,857.10 = 31,809.80 : x
  2. Step 2: Convert to fraction form
    50,529.80/75,857.10 = 31,809.80/x
  3. Step 3: Cross multiply
    50,529.80x = 75,857.10 × 31,809.80
  4. Step 4: Simplify right side
    50,529.80x = 2,412,999,179.58
  5. Step 5: Solve for x
    x = 2,412,999,179.58/50,529.80
  6. Step 6: Final answer
    x = 47,753.98

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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.