Home / 38,179.36-57,283.62-21,558.16

Finding the Fourth Proportional to 38,179.36, 57,283.62 and 21,558.16

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Solution

The fourth proportional to 38,179.36, 57,283.62 and 21,558.16 is: 32,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.36 : 57,283.62 = 21,558.16 : x
  2. Step 2: Convert to fraction form
    38,179.36/57,283.62 = 21,558.16/x
  3. Step 3: Cross multiply
    38,179.36x = 57,283.62 × 21,558.16
  4. Step 4: Simplify right side
    38,179.36x = 1,234,929,445.34
  5. Step 5: Solve for x
    x = 1,234,929,445.34/38,179.36
  6. Step 6: Final answer
    x = 32,345.47

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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.