Home / 31,175.08-46,770.04-8,988.10

Finding the Fourth Proportional to 31,175.08, 46,770.04 and 8,988.10

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Solution

The fourth proportional to 31,175.08, 46,770.04 and 8,988.10 is: 13,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175.08 : 46,770.04 = 8,988.10 : x
  2. Step 2: Convert to fraction form
    31,175.08/46,770.04 = 8,988.10/x
  3. Step 3: Cross multiply
    31,175.08x = 46,770.04 × 8,988.10
  4. Step 4: Simplify right side
    31,175.08x = 420,373,796.52
  5. Step 5: Solve for x
    x = 420,373,796.52/31,175.08
  6. Step 6: Final answer
    x = 13,484.29

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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.