Home / 38,278.23-52,808.85-22,142.58

Finding the Fourth Proportional to 38,278.23, 52,808.85 and 22,142.58

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Solution

The fourth proportional to 38,278.23, 52,808.85 and 22,142.58 is: 30,548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.23 : 52,808.85 = 22,142.58 : x
  2. Step 2: Convert to fraction form
    38,278.23/52,808.85 = 22,142.58/x
  3. Step 3: Cross multiply
    38,278.23x = 52,808.85 × 22,142.58
  4. Step 4: Simplify right side
    38,278.23x = 1,169,324,185.83
  5. Step 5: Solve for x
    x = 1,169,324,185.83/38,278.23
  6. Step 6: Final answer
    x = 30,548.02

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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.