Home / 39,806.25-59,713.55-19,820.69

Finding the Fourth Proportional to 39,806.25, 59,713.55 and 19,820.69

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Solution

The fourth proportional to 39,806.25, 59,713.55 and 19,820.69 is: 29,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806.25 : 59,713.55 = 19,820.69 : x
  2. Step 2: Convert to fraction form
    39,806.25/59,713.55 = 19,820.69/x
  3. Step 3: Cross multiply
    39,806.25x = 59,713.55 × 19,820.69
  4. Step 4: Simplify right side
    39,806.25x = 1,183,563,763.35
  5. Step 5: Solve for x
    x = 1,183,563,763.35/39,806.25
  6. Step 6: Final answer
    x = 29,733.11

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1.5x scale

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.