Home / 34,265.52-47,285.64-20,119.68

Finding the Fourth Proportional to 34,265.52, 47,285.64 and 20,119.68

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Solution

The fourth proportional to 34,265.52, 47,285.64 and 20,119.68 is: 27,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,265.52 : 47,285.64 = 20,119.68 : x
  2. Step 2: Convert to fraction form
    34,265.52/47,285.64 = 20,119.68/x
  3. Step 3: Cross multiply
    34,265.52x = 47,285.64 × 20,119.68
  4. Step 4: Simplify right side
    34,265.52x = 951,371,945.40
  5. Step 5: Solve for x
    x = 951,371,945.40/34,265.52
  6. Step 6: Final answer
    x = 27,764.70

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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.