Home / 19,550.30-29,325.49-4,759.18

Finding the Fourth Proportional to 19,550.30, 29,325.49 and 4,759.18

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Solution

The fourth proportional to 19,550.30, 29,325.49 and 4,759.18 is: 7,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.30 : 29,325.49 = 4,759.18 : x
  2. Step 2: Convert to fraction form
    19,550.30/29,325.49 = 4,759.18/x
  3. Step 3: Cross multiply
    19,550.30x = 29,325.49 × 4,759.18
  4. Step 4: Simplify right side
    19,550.30x = 139,565,200.29
  5. Step 5: Solve for x
    x = 139,565,200.29/19,550.30
  6. Step 6: Final answer
    x = 7,138.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.