Home / 45,432.72-62,696.22-28,446.33

Finding the Fourth Proportional to 45,432.72, 62,696.22 and 28,446.33

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Solution

The fourth proportional to 45,432.72, 62,696.22 and 28,446.33 is: 39,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,432.72 : 62,696.22 = 28,446.33 : x
  2. Step 2: Convert to fraction form
    45,432.72/62,696.22 = 28,446.33/x
  3. Step 3: Cross multiply
    45,432.72x = 62,696.22 × 28,446.33
  4. Step 4: Simplify right side
    45,432.72x = 1,783,477,363.87
  5. Step 5: Solve for x
    x = 1,783,477,363.87/45,432.72
  6. Step 6: Final answer
    x = 39,255.35

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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.