Home / 31,180.18-46,764.63-8,988.10

Finding the Fourth Proportional to 31,180.18, 46,764.63 and 8,988.10

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Solution

The fourth proportional to 31,180.18, 46,764.63 and 8,988.10 is: 13,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180.18 : 46,764.63 = 8,988.10 : x
  2. Step 2: Convert to fraction form
    31,180.18/46,764.63 = 8,988.10/x
  3. Step 3: Cross multiply
    31,180.18x = 46,764.63 × 8,988.10
  4. Step 4: Simplify right side
    31,180.18x = 420,325,170.90
  5. Step 5: Solve for x
    x = 420,325,170.90/31,180.18
  6. Step 6: Final answer
    x = 13,480.52

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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.