Home / 38,584.15-53,216.66-33,215.40

Finding the Fourth Proportional to 38,584.15, 53,216.66 and 33,215.40

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Solution

The fourth proportional to 38,584.15, 53,216.66 and 33,215.40 is: 45,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584.15 : 53,216.66 = 33,215.40 : x
  2. Step 2: Convert to fraction form
    38,584.15/53,216.66 = 33,215.40/x
  3. Step 3: Cross multiply
    38,584.15x = 53,216.66 × 33,215.40
  4. Step 4: Simplify right side
    38,584.15x = 1,767,612,731.60
  5. Step 5: Solve for x
    x = 1,767,612,731.60/38,584.15
  6. Step 6: Final answer
    x = 45,811.89

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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.