Home / 31,392.54-43,349.82-23,420.92

Finding the Fourth Proportional to 31,392.54, 43,349.82 and 23,420.92

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Solution

The fourth proportional to 31,392.54, 43,349.82 and 23,420.92 is: 32,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.54 : 43,349.82 = 23,420.92 : x
  2. Step 2: Convert to fraction form
    31,392.54/43,349.82 = 23,420.92/x
  3. Step 3: Cross multiply
    31,392.54x = 43,349.82 × 23,420.92
  4. Step 4: Simplify right side
    31,392.54x = 1,015,292,666.23
  5. Step 5: Solve for x
    x = 1,015,292,666.23/31,392.54
  6. Step 6: Final answer
    x = 32,341.85

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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.