Home / 38,072.79-52,540.52-21,305.79

Finding the Fourth Proportional to 38,072.79, 52,540.52 and 21,305.79

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Solution

The fourth proportional to 38,072.79, 52,540.52 and 21,305.79 is: 29,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.79 : 52,540.52 = 21,305.79 : x
  2. Step 2: Convert to fraction form
    38,072.79/52,540.52 = 21,305.79/x
  3. Step 3: Cross multiply
    38,072.79x = 52,540.52 × 21,305.79
  4. Step 4: Simplify right side
    38,072.79x = 1,119,417,179.08
  5. Step 5: Solve for x
    x = 1,119,417,179.08/38,072.79
  6. Step 6: Final answer
    x = 29,402.03

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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.