Home / 38,141.09-52,637.82-21,150.66

Finding the Fourth Proportional to 38,141.09, 52,637.82 and 21,150.66

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Solution

The fourth proportional to 38,141.09, 52,637.82 and 21,150.66 is: 29,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,141.09 : 52,637.82 = 21,150.66 : x
  2. Step 2: Convert to fraction form
    38,141.09/52,637.82 = 21,150.66/x
  3. Step 3: Cross multiply
    38,141.09x = 52,637.82 × 21,150.66
  4. Step 4: Simplify right side
    38,141.09x = 1,113,324,818.43
  5. Step 5: Solve for x
    x = 1,113,324,818.43/38,141.09
  6. Step 6: Final answer
    x = 29,189.64

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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.