Home / 31,236.92-43,092.06-19,295.96

Finding the Fourth Proportional to 31,236.92, 43,092.06 and 19,295.96

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Solution

The fourth proportional to 31,236.92, 43,092.06 and 19,295.96 is: 26,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.92 : 43,092.06 = 19,295.96 : x
  2. Step 2: Convert to fraction form
    31,236.92/43,092.06 = 19,295.96/x
  3. Step 3: Cross multiply
    31,236.92x = 43,092.06 × 19,295.96
  4. Step 4: Simplify right side
    31,236.92x = 831,502,666.08
  5. Step 5: Solve for x
    x = 831,502,666.08/31,236.92
  6. Step 6: Final answer
    x = 26,619.23

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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.