Home / 38,835.09-53,687.97-38,479.86

Finding the Fourth Proportional to 38,835.09, 53,687.97 and 38,479.86

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Solution

The fourth proportional to 38,835.09, 53,687.97 and 38,479.86 is: 53,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,835.09 : 53,687.97 = 38,479.86 : x
  2. Step 2: Convert to fraction form
    38,835.09/53,687.97 = 38,479.86/x
  3. Step 3: Cross multiply
    38,835.09x = 53,687.97 × 38,479.86
  4. Step 4: Simplify right side
    38,835.09x = 2,065,905,300.84
  5. Step 5: Solve for x
    x = 2,065,905,300.84/38,835.09
  6. Step 6: Final answer
    x = 53,196.87

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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.