Home / 47,685.36-65,778.44-29,749.20

Finding the Fourth Proportional to 47,685.36, 65,778.44 and 29,749.20

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Solution

The fourth proportional to 47,685.36, 65,778.44 and 29,749.20 is: 41,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,685.36 : 65,778.44 = 29,749.20 : x
  2. Step 2: Convert to fraction form
    47,685.36/65,778.44 = 29,749.20/x
  3. Step 3: Cross multiply
    47,685.36x = 65,778.44 × 29,749.20
  4. Step 4: Simplify right side
    47,685.36x = 1,956,855,967.25
  5. Step 5: Solve for x
    x = 1,956,855,967.25/47,685.36
  6. Step 6: Final answer
    x = 41,036.83

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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.