Home / 29,561.66-40,795.07-21,078.54

Finding the Fourth Proportional to 29,561.66, 40,795.07 and 21,078.54

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Solution

The fourth proportional to 29,561.66, 40,795.07 and 21,078.54 is: 29,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,561.66 : 40,795.07 = 21,078.54 : x
  2. Step 2: Convert to fraction form
    29,561.66/40,795.07 = 21,078.54/x
  3. Step 3: Cross multiply
    29,561.66x = 40,795.07 × 21,078.54
  4. Step 4: Simplify right side
    29,561.66x = 859,900,514.80
  5. Step 5: Solve for x
    x = 859,900,514.80/29,561.66
  6. Step 6: Final answer
    x = 29,088.37

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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.