Home / 38,468.32-57,702.21-20,707.36

Finding the Fourth Proportional to 38,468.32, 57,702.21 and 20,707.36

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Solution

The fourth proportional to 38,468.32, 57,702.21 and 20,707.36 is: 31,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,468.32 : 57,702.21 = 20,707.36 : x
  2. Step 2: Convert to fraction form
    38,468.32/57,702.21 = 20,707.36/x
  3. Step 3: Cross multiply
    38,468.32x = 57,702.21 × 20,707.36
  4. Step 4: Simplify right side
    38,468.32x = 1,194,860,435.27
  5. Step 5: Solve for x
    x = 1,194,860,435.27/38,468.32
  6. Step 6: Final answer
    x = 31,060.89

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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.