Home / 20,051.06-30,077.58-5,260.01

Finding the Fourth Proportional to 20,051.06, 30,077.58 and 5,260.01

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Solution

The fourth proportional to 20,051.06, 30,077.58 and 5,260.01 is: 7,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.06 : 30,077.58 = 5,260.01 : x
  2. Step 2: Convert to fraction form
    20,051.06/30,077.58 = 5,260.01/x
  3. Step 3: Cross multiply
    20,051.06x = 30,077.58 × 5,260.01
  4. Step 4: Simplify right side
    20,051.06x = 158,208,371.58
  5. Step 5: Solve for x
    x = 158,208,371.58/20,051.06
  6. Step 6: Final answer
    x = 7,890.27

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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.