Home / 38,781.32-53,406.34-37,009.85

Finding the Fourth Proportional to 38,781.32, 53,406.34 and 37,009.85

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Solution

The fourth proportional to 38,781.32, 53,406.34 and 37,009.85 is: 50,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,781.32 : 53,406.34 = 37,009.85 : x
  2. Step 2: Convert to fraction form
    38,781.32/53,406.34 = 37,009.85/x
  3. Step 3: Cross multiply
    38,781.32x = 53,406.34 × 37,009.85
  4. Step 4: Simplify right side
    38,781.32x = 1,976,560,272.89
  5. Step 5: Solve for x
    x = 1,976,560,272.89/38,781.32
  6. Step 6: Final answer
    x = 50,966.82

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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.