Home / 34,722.38-47,913.46-19,406.10

Finding the Fourth Proportional to 34,722.38, 47,913.46 and 19,406.10

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Solution

The fourth proportional to 34,722.38, 47,913.46 and 19,406.10 is: 26,778.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,722.38 : 47,913.46 = 19,406.10 : x
  2. Step 2: Convert to fraction form
    34,722.38/47,913.46 = 19,406.10/x
  3. Step 3: Cross multiply
    34,722.38x = 47,913.46 × 19,406.10
  4. Step 4: Simplify right side
    34,722.38x = 929,813,396.11
  5. Step 5: Solve for x
    x = 929,813,396.11/34,722.38
  6. Step 6: Final answer
    x = 26,778.50

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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.