Home / 20,557.24-30,625.55-19,566.52

Finding the Fourth Proportional to 20,557.24, 30,625.55 and 19,566.52

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Solution

The fourth proportional to 20,557.24, 30,625.55 and 19,566.52 is: 29,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,557.24 : 30,625.55 = 19,566.52 : x
  2. Step 2: Convert to fraction form
    20,557.24/30,625.55 = 19,566.52/x
  3. Step 3: Cross multiply
    20,557.24x = 30,625.55 × 19,566.52
  4. Step 4: Simplify right side
    20,557.24x = 599,235,436.59
  5. Step 5: Solve for x
    x = 599,235,436.59/20,557.24
  6. Step 6: Final answer
    x = 29,149.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.