Home / 39,650.54-54,719.32-21,746.19

Finding the Fourth Proportional to 39,650.54, 54,719.32 and 21,746.19

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Solution

The fourth proportional to 39,650.54, 54,719.32 and 21,746.19 is: 30,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,650.54 : 54,719.32 = 21,746.19 : x
  2. Step 2: Convert to fraction form
    39,650.54/54,719.32 = 21,746.19/x
  3. Step 3: Cross multiply
    39,650.54x = 54,719.32 × 21,746.19
  4. Step 4: Simplify right side
    39,650.54x = 1,189,936,729.39
  5. Step 5: Solve for x
    x = 1,189,936,729.39/39,650.54
  6. Step 6: Final answer
    x = 30,010.61

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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.