Home / 47,933.38-66,128.58-31,808.29

Finding the Fourth Proportional to 47,933.38, 66,128.58 and 31,808.29

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Solution

The fourth proportional to 47,933.38, 66,128.58 and 31,808.29 is: 43,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,933.38 : 66,128.58 = 31,808.29 : x
  2. Step 2: Convert to fraction form
    47,933.38/66,128.58 = 31,808.29/x
  3. Step 3: Cross multiply
    47,933.38x = 66,128.58 × 31,808.29
  4. Step 4: Simplify right side
    47,933.38x = 2,103,437,049.93
  5. Step 5: Solve for x
    x = 2,103,437,049.93/47,933.38
  6. Step 6: Final answer
    x = 43,882.51

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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.