Home / 44,245.48-66,345.18-20,865.64

Finding the Fourth Proportional to 44,245.48, 66,345.18 and 20,865.64

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Solution

The fourth proportional to 44,245.48, 66,345.18 and 20,865.64 is: 31,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,245.48 : 66,345.18 = 20,865.64 : x
  2. Step 2: Convert to fraction form
    44,245.48/66,345.18 = 20,865.64/x
  3. Step 3: Cross multiply
    44,245.48x = 66,345.18 × 20,865.64
  4. Step 4: Simplify right side
    44,245.48x = 1,384,334,641.62
  5. Step 5: Solve for x
    x = 1,384,334,641.62/44,245.48
  6. Step 6: Final answer
    x = 31,287.59

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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.