Home / 47,753.09-71,604.92-21,435.17

Finding the Fourth Proportional to 47,753.09, 71,604.92 and 21,435.17

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Solution

The fourth proportional to 47,753.09, 71,604.92 and 21,435.17 is: 32,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,753.09 : 71,604.92 = 21,435.17 : x
  2. Step 2: Convert to fraction form
    47,753.09/71,604.92 = 21,435.17/x
  3. Step 3: Cross multiply
    47,753.09x = 71,604.92 × 21,435.17
  4. Step 4: Simplify right side
    47,753.09x = 1,534,863,525.86
  5. Step 5: Solve for x
    x = 1,534,863,525.86/47,753.09
  6. Step 6: Final answer
    x = 32,141.66

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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.