Home / 19,550.95-29,326.15-4,759.90

Finding the Fourth Proportional to 19,550.95, 29,326.15 and 4,759.90

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Solution

The fourth proportional to 19,550.95, 29,326.15 and 4,759.90 is: 7,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.95 : 29,326.15 = 4,759.90 : x
  2. Step 2: Convert to fraction form
    19,550.95/29,326.15 = 4,759.90/x
  3. Step 3: Cross multiply
    19,550.95x = 29,326.15 × 4,759.90
  4. Step 4: Simplify right side
    19,550.95x = 139,589,541.39
  5. Step 5: Solve for x
    x = 139,589,541.39/19,550.95
  6. Step 6: Final answer
    x = 7,139.78

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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.