Home / 34,253.52-47,269.08-20,107.68

Finding the Fourth Proportional to 34,253.52, 47,269.08 and 20,107.68

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Solution

The fourth proportional to 34,253.52, 47,269.08 and 20,107.68 is: 27,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,253.52 : 47,269.08 = 20,107.68 : x
  2. Step 2: Convert to fraction form
    34,253.52/47,269.08 = 20,107.68/x
  3. Step 3: Cross multiply
    34,253.52x = 47,269.08 × 20,107.68
  4. Step 4: Simplify right side
    34,253.52x = 950,471,534.53
  5. Step 5: Solve for x
    x = 950,471,534.53/34,253.52
  6. Step 6: Final answer
    x = 27,748.14

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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.