Home / 20,237.06-30,351.89-5,442.51

Finding the Fourth Proportional to 20,237.06, 30,351.89 and 5,442.51

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Solution

The fourth proportional to 20,237.06, 30,351.89 and 5,442.51 is: 8,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.06 : 30,351.89 = 5,442.51 : x
  2. Step 2: Convert to fraction form
    20,237.06/30,351.89 = 5,442.51/x
  3. Step 3: Cross multiply
    20,237.06x = 30,351.89 × 5,442.51
  4. Step 4: Simplify right side
    20,237.06x = 165,190,437.63
  5. Step 5: Solve for x
    x = 165,190,437.63/20,237.06
  6. Step 6: Final answer
    x = 8,162.77

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1.5x scale

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.