Home / 53,584.40-80,386.68-21,565.92

Finding the Fourth Proportional to 53,584.40, 80,386.68 and 21,565.92

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Solution

The fourth proportional to 53,584.40, 80,386.68 and 21,565.92 is: 32,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,584.40 : 80,386.68 = 21,565.92 : x
  2. Step 2: Convert to fraction form
    53,584.40/80,386.68 = 21,565.92/x
  3. Step 3: Cross multiply
    53,584.40x = 80,386.68 × 21,565.92
  4. Step 4: Simplify right side
    53,584.40x = 1,733,612,709.95
  5. Step 5: Solve for x
    x = 1,733,612,709.95/53,584.40
  6. Step 6: Final answer
    x = 32,352.94

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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.