Home / 33,810.64-50,710.20-10,430.80

Finding the Fourth Proportional to 33,810.64, 50,710.20 and 10,430.80

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Solution

The fourth proportional to 33,810.64, 50,710.20 and 10,430.80 is: 15,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,810.64 : 50,710.20 = 10,430.80 : x
  2. Step 2: Convert to fraction form
    33,810.64/50,710.20 = 10,430.80/x
  3. Step 3: Cross multiply
    33,810.64x = 50,710.20 × 10,430.80
  4. Step 4: Simplify right side
    33,810.64x = 528,947,954.16
  5. Step 5: Solve for x
    x = 528,947,954.16/33,810.64
  6. Step 6: Final answer
    x = 15,644.42

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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.