Home / 38,164.97-52,669.34-21,168.08

Finding the Fourth Proportional to 38,164.97, 52,669.34 and 21,168.08

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Solution

The fourth proportional to 38,164.97, 52,669.34 and 21,168.08 is: 29,212.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,164.97 : 52,669.34 = 21,168.08 : x
  2. Step 2: Convert to fraction form
    38,164.97/52,669.34 = 21,168.08/x
  3. Step 3: Cross multiply
    38,164.97x = 52,669.34 × 21,168.08
  4. Step 4: Simplify right side
    38,164.97x = 1,114,909,006.64
  5. Step 5: Solve for x
    x = 1,114,909,006.64/38,164.97
  6. Step 6: Final answer
    x = 29,212.89

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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.