Home / 20,003.49-30,004.47-5,010.59

Finding the Fourth Proportional to 20,003.49, 30,004.47 and 5,010.59

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Solution

The fourth proportional to 20,003.49, 30,004.47 and 5,010.59 is: 7,515.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.49 : 30,004.47 = 5,010.59 : x
  2. Step 2: Convert to fraction form
    20,003.49/30,004.47 = 5,010.59/x
  3. Step 3: Cross multiply
    20,003.49x = 30,004.47 × 5,010.59
  4. Step 4: Simplify right side
    20,003.49x = 150,339,947.31
  5. Step 5: Solve for x
    x = 150,339,947.31/20,003.49
  6. Step 6: Final answer
    x = 7,515.69

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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.