Home / 34,270.30-47,288.01-20,127.70

Finding the Fourth Proportional to 34,270.30, 47,288.01 and 20,127.70

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Solution

The fourth proportional to 34,270.30, 47,288.01 and 20,127.70 is: 27,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,270.30 : 47,288.01 = 20,127.70 : x
  2. Step 2: Convert to fraction form
    34,270.30/47,288.01 = 20,127.70/x
  3. Step 3: Cross multiply
    34,270.30x = 47,288.01 × 20,127.70
  4. Step 4: Simplify right side
    34,270.30x = 951,798,878.88
  5. Step 5: Solve for x
    x = 951,798,878.88/34,270.30
  6. Step 6: Final answer
    x = 27,773.29

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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.