Home / 51,191.56-70,650.09-28,532.62

Finding the Fourth Proportional to 51,191.56, 70,650.09 and 28,532.62

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Solution

The fourth proportional to 51,191.56, 70,650.09 and 28,532.62 is: 39,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,191.56 : 70,650.09 = 28,532.62 : x
  2. Step 2: Convert to fraction form
    51,191.56/70,650.09 = 28,532.62/x
  3. Step 3: Cross multiply
    51,191.56x = 70,650.09 × 28,532.62
  4. Step 4: Simplify right side
    51,191.56x = 2,015,832,259.25
  5. Step 5: Solve for x
    x = 2,015,832,259.25/51,191.56
  6. Step 6: Final answer
    x = 39,378.21

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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.