Home / 47,749.32-71,623.98-17,759.63

Finding the Fourth Proportional to 47,749.32, 71,623.98 and 17,759.63

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Solution

The fourth proportional to 47,749.32, 71,623.98 and 17,759.63 is: 26,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,749.32 : 71,623.98 = 17,759.63 : x
  2. Step 2: Convert to fraction form
    47,749.32/71,623.98 = 17,759.63/x
  3. Step 3: Cross multiply
    47,749.32x = 71,623.98 × 17,759.63
  4. Step 4: Simplify right side
    47,749.32x = 1,272,015,383.93
  5. Step 5: Solve for x
    x = 1,272,015,383.93/47,749.32
  6. Step 6: Final answer
    x = 26,639.45

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Similar ratio
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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.