Home / 34,905.24-48,169.74-18,989.70

Finding the Fourth Proportional to 34,905.24, 48,169.74 and 18,989.70

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Solution

The fourth proportional to 34,905.24, 48,169.74 and 18,989.70 is: 26,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,905.24 : 48,169.74 = 18,989.70 : x
  2. Step 2: Convert to fraction form
    34,905.24/48,169.74 = 18,989.70/x
  3. Step 3: Cross multiply
    34,905.24x = 48,169.74 × 18,989.70
  4. Step 4: Simplify right side
    34,905.24x = 914,728,911.68
  5. Step 5: Solve for x
    x = 914,728,911.68/34,905.24
  6. Step 6: Final answer
    x = 26,206.06

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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.