Home / 31,336.08-43,249.32-18,596.29

Finding the Fourth Proportional to 31,336.08, 43,249.32 and 18,596.29

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Solution

The fourth proportional to 31,336.08, 43,249.32 and 18,596.29 is: 25,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.08 : 43,249.32 = 18,596.29 : x
  2. Step 2: Convert to fraction form
    31,336.08/43,249.32 = 18,596.29/x
  3. Step 3: Cross multiply
    31,336.08x = 43,249.32 × 18,596.29
  4. Step 4: Simplify right side
    31,336.08x = 804,276,897.02
  5. Step 5: Solve for x
    x = 804,276,897.02/31,336.08
  6. Step 6: Final answer
    x = 25,666.16

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Half scale
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Double scale
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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.