Home / 20,579.07-30,868.38-4,996.71

Finding the Fourth Proportional to 20,579.07, 30,868.38 and 4,996.71

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Solution

The fourth proportional to 20,579.07, 30,868.38 and 4,996.71 is: 7,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579.07 : 30,868.38 = 4,996.71 : x
  2. Step 2: Convert to fraction form
    20,579.07/30,868.38 = 4,996.71/x
  3. Step 3: Cross multiply
    20,579.07x = 30,868.38 × 4,996.71
  4. Step 4: Simplify right side
    20,579.07x = 154,240,343.03
  5. Step 5: Solve for x
    x = 154,240,343.03/20,579.07
  6. Step 6: Final answer
    x = 7,495.01

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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.