Home / 38,442.56-53,050.74-21,675.56

Finding the Fourth Proportional to 38,442.56, 53,050.74 and 21,675.56

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Solution

The fourth proportional to 38,442.56, 53,050.74 and 21,675.56 is: 29,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,442.56 : 53,050.74 = 21,675.56 : x
  2. Step 2: Convert to fraction form
    38,442.56/53,050.74 = 21,675.56/x
  3. Step 3: Cross multiply
    38,442.56x = 53,050.74 × 21,675.56
  4. Step 4: Simplify right side
    38,442.56x = 1,149,904,497.91
  5. Step 5: Solve for x
    x = 1,149,904,497.91/38,442.56
  6. Step 6: Final answer
    x = 29,912.28

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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.