Home / 38,326.32-52,889.79-21,330.56

Finding the Fourth Proportional to 38,326.32, 52,889.79 and 21,330.56

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Solution

The fourth proportional to 38,326.32, 52,889.79 and 21,330.56 is: 29,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326.32 : 52,889.79 = 21,330.56 : x
  2. Step 2: Convert to fraction form
    38,326.32/52,889.79 = 21,330.56/x
  3. Step 3: Cross multiply
    38,326.32x = 52,889.79 × 21,330.56
  4. Step 4: Simplify right side
    38,326.32x = 1,128,168,772.87
  5. Step 5: Solve for x
    x = 1,128,168,772.87/38,326.32
  6. Step 6: Final answer
    x = 29,435.88

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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.