Home / 32,430.25-48,645.78-11,653.75

Finding the Fourth Proportional to 32,430.25, 48,645.78 and 11,653.75

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Solution

The fourth proportional to 32,430.25, 48,645.78 and 11,653.75 is: 17,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,430.25 : 48,645.78 = 11,653.75 : x
  2. Step 2: Convert to fraction form
    32,430.25/48,645.78 = 11,653.75/x
  3. Step 3: Cross multiply
    32,430.25x = 48,645.78 × 11,653.75
  4. Step 4: Simplify right side
    32,430.25x = 566,905,758.68
  5. Step 5: Solve for x
    x = 566,905,758.68/32,430.25
  6. Step 6: Final answer
    x = 17,480.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.