Home / 51,213.07-70,674.33-28,553.50

Finding the Fourth Proportional to 51,213.07, 70,674.33 and 28,553.50

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Solution

The fourth proportional to 51,213.07, 70,674.33 and 28,553.50 is: 39,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,213.07 : 70,674.33 = 28,553.50 : x
  2. Step 2: Convert to fraction form
    51,213.07/70,674.33 = 28,553.50/x
  3. Step 3: Cross multiply
    51,213.07x = 70,674.33 × 28,553.50
  4. Step 4: Simplify right side
    51,213.07x = 2,017,999,481.66
  5. Step 5: Solve for x
    x = 2,017,999,481.66/51,213.07
  6. Step 6: Final answer
    x = 39,403.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.