Home / 47,807.64-71,708.70-18,228.46

Finding the Fourth Proportional to 47,807.64, 71,708.70 and 18,228.46

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Solution

The fourth proportional to 47,807.64, 71,708.70 and 18,228.46 is: 27,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,807.64 : 71,708.70 = 18,228.46 : x
  2. Step 2: Convert to fraction form
    47,807.64/71,708.70 = 18,228.46/x
  3. Step 3: Cross multiply
    47,807.64x = 71,708.70 × 18,228.46
  4. Step 4: Simplify right side
    47,807.64x = 1,307,139,169.60
  5. Step 5: Solve for x
    x = 1,307,139,169.60/47,807.64
  6. Step 6: Final answer
    x = 27,341.64

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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.