Home / 38,917.23-53,707.10-23,015.31

Finding the Fourth Proportional to 38,917.23, 53,707.10 and 23,015.31

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Solution

The fourth proportional to 38,917.23, 53,707.10 and 23,015.31 is: 31,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,917.23 : 53,707.10 = 23,015.31 : x
  2. Step 2: Convert to fraction form
    38,917.23/53,707.10 = 23,015.31/x
  3. Step 3: Cross multiply
    38,917.23x = 53,707.10 × 23,015.31
  4. Step 4: Simplify right side
    38,917.23x = 1,236,085,440.62
  5. Step 5: Solve for x
    x = 1,236,085,440.62/38,917.23
  6. Step 6: Final answer
    x = 31,761.91

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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.