Home / 31,518.32-43,494.17-17,177.67

Finding the Fourth Proportional to 31,518.32, 43,494.17 and 17,177.67

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Solution

The fourth proportional to 31,518.32, 43,494.17 and 17,177.67 is: 23,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.32 : 43,494.17 = 17,177.67 : x
  2. Step 2: Convert to fraction form
    31,518.32/43,494.17 = 17,177.67/x
  3. Step 3: Cross multiply
    31,518.32x = 43,494.17 × 17,177.67
  4. Step 4: Simplify right side
    31,518.32x = 747,128,413.30
  5. Step 5: Solve for x
    x = 747,128,413.30/31,518.32
  6. Step 6: Final answer
    x = 23,704.58

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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.