Home / 34,178.12-47,166.93-19,836.87

Finding the Fourth Proportional to 34,178.12, 47,166.93 and 19,836.87

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Solution

The fourth proportional to 34,178.12, 47,166.93 and 19,836.87 is: 27,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,178.12 : 47,166.93 = 19,836.87 : x
  2. Step 2: Convert to fraction form
    34,178.12/47,166.93 = 19,836.87/x
  3. Step 3: Cross multiply
    34,178.12x = 47,166.93 × 19,836.87
  4. Step 4: Simplify right side
    34,178.12x = 935,644,258.71
  5. Step 5: Solve for x
    x = 935,644,258.71/34,178.12
  6. Step 6: Final answer
    x = 27,375.54

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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.