Home / 41,100.32-61,645.66-11,520.54

Finding the Fourth Proportional to 41,100.32, 61,645.66 and 11,520.54

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Solution

The fourth proportional to 41,100.32, 61,645.66 and 11,520.54 is: 17,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,100.32 : 61,645.66 = 11,520.54 : x
  2. Step 2: Convert to fraction form
    41,100.32/61,645.66 = 11,520.54/x
  3. Step 3: Cross multiply
    41,100.32x = 61,645.66 × 11,520.54
  4. Step 4: Simplify right side
    41,100.32x = 710,191,263.06
  5. Step 5: Solve for x
    x = 710,191,263.06/41,100.32
  6. Step 6: Final answer
    x = 17,279.46

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1.5x scale

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.