Home / 38,777.32-53,514.66-22,015.72

Finding the Fourth Proportional to 38,777.32, 53,514.66 and 22,015.72

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Solution

The fourth proportional to 38,777.32, 53,514.66 and 22,015.72 is: 30,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,777.32 : 53,514.66 = 22,015.72 : x
  2. Step 2: Convert to fraction form
    38,777.32/53,514.66 = 22,015.72/x
  3. Step 3: Cross multiply
    38,777.32x = 53,514.66 × 22,015.72
  4. Step 4: Simplify right side
    38,777.32x = 1,178,163,770.46
  5. Step 5: Solve for x
    x = 1,178,163,770.46/38,777.32
  6. Step 6: Final answer
    x = 30,382.81

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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.