Home / 47,663.48-65,777.36-28,796.96

Finding the Fourth Proportional to 47,663.48, 65,777.36 and 28,796.96

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Solution

The fourth proportional to 47,663.48, 65,777.36 and 28,796.96 is: 39,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,663.48 : 65,777.36 = 28,796.96 : x
  2. Step 2: Convert to fraction form
    47,663.48/65,777.36 = 28,796.96/x
  3. Step 3: Cross multiply
    47,663.48x = 65,777.36 × 28,796.96
  4. Step 4: Simplify right side
    47,663.48x = 1,894,188,004.83
  5. Step 5: Solve for x
    x = 1,894,188,004.83/47,663.48
  6. Step 6: Final answer
    x = 39,740.87

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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.