Home / 45,245.27-62,440.59-28,259.57

Finding the Fourth Proportional to 45,245.27, 62,440.59 and 28,259.57

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Solution

The fourth proportional to 45,245.27, 62,440.59 and 28,259.57 is: 38,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,245.27 : 62,440.59 = 28,259.57 : x
  2. Step 2: Convert to fraction form
    45,245.27/62,440.59 = 28,259.57/x
  3. Step 3: Cross multiply
    45,245.27x = 62,440.59 × 28,259.57
  4. Step 4: Simplify right side
    45,245.27x = 1,764,543,911.74
  5. Step 5: Solve for x
    x = 1,764,543,911.74/45,245.27
  6. Step 6: Final answer
    x = 38,999.53

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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.