Home / 47,731.24-65,858.64-28,867.96

Finding the Fourth Proportional to 47,731.24, 65,858.64 and 28,867.96

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Solution

The fourth proportional to 47,731.24, 65,858.64 and 28,867.96 is: 39,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.24 : 65,858.64 = 28,867.96 : x
  2. Step 2: Convert to fraction form
    47,731.24/65,858.64 = 28,867.96/x
  3. Step 3: Cross multiply
    47,731.24x = 65,858.64 × 28,867.96
  4. Step 4: Simplify right side
    47,731.24x = 1,901,204,585.17
  5. Step 5: Solve for x
    x = 1,901,204,585.17/47,731.24
  6. Step 6: Final answer
    x = 39,831.45

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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.