Home / 38,185.22-52,694.96-21,417.86

Finding the Fourth Proportional to 38,185.22, 52,694.96 and 21,417.86

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Solution

The fourth proportional to 38,185.22, 52,694.96 and 21,417.86 is: 29,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,185.22 : 52,694.96 = 21,417.86 : x
  2. Step 2: Convert to fraction form
    38,185.22/52,694.96 = 21,417.86/x
  3. Step 3: Cross multiply
    38,185.22x = 52,694.96 × 21,417.86
  4. Step 4: Simplify right side
    38,185.22x = 1,128,613,275.99
  5. Step 5: Solve for x
    x = 1,128,613,275.99/38,185.22
  6. Step 6: Final answer
    x = 29,556.29

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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.