Home / 31,605.63-43,611.91-17,458.57

Finding the Fourth Proportional to 31,605.63, 43,611.91 and 17,458.57

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Solution

The fourth proportional to 31,605.63, 43,611.91 and 17,458.57 is: 24,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605.63 : 43,611.91 = 17,458.57 : x
  2. Step 2: Convert to fraction form
    31,605.63/43,611.91 = 17,458.57/x
  3. Step 3: Cross multiply
    31,605.63x = 43,611.91 × 17,458.57
  4. Step 4: Simplify right side
    31,605.63x = 761,401,583.57
  5. Step 5: Solve for x
    x = 761,401,583.57/31,605.63
  6. Step 6: Final answer
    x = 24,090.69

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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.