Home / 31,175.20-46,763.07-8,988.63

Finding the Fourth Proportional to 31,175.20, 46,763.07 and 8,988.63

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Solution

The fourth proportional to 31,175.20, 46,763.07 and 8,988.63 is: 13,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175.20 : 46,763.07 = 8,988.63 : x
  2. Step 2: Convert to fraction form
    31,175.20/46,763.07 = 8,988.63/x
  3. Step 3: Cross multiply
    31,175.20x = 46,763.07 × 8,988.63
  4. Step 4: Simplify right side
    31,175.20x = 420,335,933.89
  5. Step 5: Solve for x
    x = 420,335,933.89/31,175.20
  6. Step 6: Final answer
    x = 13,483.02

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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.