Home / 34,306.32-47,354.40-20,163.36

Finding the Fourth Proportional to 34,306.32, 47,354.40 and 20,163.36

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Solution

The fourth proportional to 34,306.32, 47,354.40 and 20,163.36 is: 27,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,306.32 : 47,354.40 = 20,163.36 : x
  2. Step 2: Convert to fraction form
    34,306.32/47,354.40 = 20,163.36/x
  3. Step 3: Cross multiply
    34,306.32x = 47,354.40 × 20,163.36
  4. Step 4: Simplify right side
    34,306.32x = 954,823,814.78
  5. Step 5: Solve for x
    x = 954,823,814.78/34,306.32
  6. Step 6: Final answer
    x = 27,832.30

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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.