Home / 34,724.58-47,919.90-18,808.99

Finding the Fourth Proportional to 34,724.58, 47,919.90 and 18,808.99

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Solution

The fourth proportional to 34,724.58, 47,919.90 and 18,808.99 is: 25,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,724.58 : 47,919.90 = 18,808.99 : x
  2. Step 2: Convert to fraction form
    34,724.58/47,919.90 = 18,808.99/x
  3. Step 3: Cross multiply
    34,724.58x = 47,919.90 × 18,808.99
  4. Step 4: Simplify right side
    34,724.58x = 901,324,919.90
  5. Step 5: Solve for x
    x = 901,324,919.90/34,724.58
  6. Step 6: Final answer
    x = 25,956.40

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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.