Home / 31,840.03-43,937.10-17,499.55

Finding the Fourth Proportional to 31,840.03, 43,937.10 and 17,499.55

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Solution

The fourth proportional to 31,840.03, 43,937.10 and 17,499.55 is: 24,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,840.03 : 43,937.10 = 17,499.55 : x
  2. Step 2: Convert to fraction form
    31,840.03/43,937.10 = 17,499.55/x
  3. Step 3: Cross multiply
    31,840.03x = 43,937.10 × 17,499.55
  4. Step 4: Simplify right side
    31,840.03x = 768,879,258.62
  5. Step 5: Solve for x
    x = 768,879,258.62/31,840.03
  6. Step 6: Final answer
    x = 24,148.20

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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.