Home / 50,901.31-70,247.12-29,391.96

Finding the Fourth Proportional to 50,901.31, 70,247.12 and 29,391.96

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Solution

The fourth proportional to 50,901.31, 70,247.12 and 29,391.96 is: 40,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,901.31 : 70,247.12 = 29,391.96 : x
  2. Step 2: Convert to fraction form
    50,901.31/70,247.12 = 29,391.96/x
  3. Step 3: Cross multiply
    50,901.31x = 70,247.12 × 29,391.96
  4. Step 4: Simplify right side
    50,901.31x = 2,064,700,189.92
  5. Step 5: Solve for x
    x = 2,064,700,189.92/50,901.31
  6. Step 6: Final answer
    x = 40,562.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.