Home / 53,200.22-79,802.76-19,911.65

Finding the Fourth Proportional to 53,200.22, 79,802.76 and 19,911.65

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Solution

The fourth proportional to 53,200.22, 79,802.76 and 19,911.65 is: 29,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,200.22 : 79,802.76 = 19,911.65 : x
  2. Step 2: Convert to fraction form
    53,200.22/79,802.76 = 19,911.65/x
  3. Step 3: Cross multiply
    53,200.22x = 79,802.76 × 19,911.65
  4. Step 4: Simplify right side
    53,200.22x = 1,589,004,626.15
  5. Step 5: Solve for x
    x = 1,589,004,626.15/53,200.22
  6. Step 6: Final answer
    x = 29,868.38

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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.