Home / 38,308.66-57,413.20-21,440.98

Finding the Fourth Proportional to 38,308.66, 57,413.20 and 21,440.98

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Solution

The fourth proportional to 38,308.66, 57,413.20 and 21,440.98 is: 32,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308.66 : 57,413.20 = 21,440.98 : x
  2. Step 2: Convert to fraction form
    38,308.66/57,413.20 = 21,440.98/x
  3. Step 3: Cross multiply
    38,308.66x = 57,413.20 × 21,440.98
  4. Step 4: Simplify right side
    38,308.66x = 1,230,995,272.94
  5. Step 5: Solve for x
    x = 1,230,995,272.94/38,308.66
  6. Step 6: Final answer
    x = 32,133.60

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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.