Home / 38,548.68-57,783.63-21,873.49

Finding the Fourth Proportional to 38,548.68, 57,783.63 and 21,873.49

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Solution

The fourth proportional to 38,548.68, 57,783.63 and 21,873.49 is: 32,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,548.68 : 57,783.63 = 21,873.49 : x
  2. Step 2: Convert to fraction form
    38,548.68/57,783.63 = 21,873.49/x
  3. Step 3: Cross multiply
    38,548.68x = 57,783.63 × 21,873.49
  4. Step 4: Simplify right side
    38,548.68x = 1,263,929,652.97
  5. Step 5: Solve for x
    x = 1,263,929,652.97/38,548.68
  6. Step 6: Final answer
    x = 32,787.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.