Home / 72,366.22-108,552.37-19,775.55

Finding the Fourth Proportional to 72,366.22, 108,552.37 and 19,775.55

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Solution

The fourth proportional to 72,366.22, 108,552.37 and 19,775.55 is: 29,664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,366.22 : 108,552.37 = 19,775.55 : x
  2. Step 2: Convert to fraction form
    72,366.22/108,552.37 = 19,775.55/x
  3. Step 3: Cross multiply
    72,366.22x = 108,552.37 × 19,775.55
  4. Step 4: Simplify right side
    72,366.22x = 2,146,682,820.55
  5. Step 5: Solve for x
    x = 2,146,682,820.55/72,366.22
  6. Step 6: Final answer
    x = 29,664.16

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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.