Home / 47,051.54-70,576.90-20,756.31

Finding the Fourth Proportional to 47,051.54, 70,576.90 and 20,756.31

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Solution

The fourth proportional to 47,051.54, 70,576.90 and 20,756.31 is: 31,134.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,051.54 : 70,576.90 = 20,756.31 : x
  2. Step 2: Convert to fraction form
    47,051.54/70,576.90 = 20,756.31/x
  3. Step 3: Cross multiply
    47,051.54x = 70,576.90 × 20,756.31
  4. Step 4: Simplify right side
    47,051.54x = 1,464,916,015.24
  5. Step 5: Solve for x
    x = 1,464,916,015.24/47,051.54
  6. Step 6: Final answer
    x = 31,134.28

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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.