Home / 20,504.51-30,756.76-4,922.13

Finding the Fourth Proportional to 20,504.51, 30,756.76 and 4,922.13

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Solution

The fourth proportional to 20,504.51, 30,756.76 and 4,922.13 is: 7,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.51 : 30,756.76 = 4,922.13 : x
  2. Step 2: Convert to fraction form
    20,504.51/30,756.76 = 4,922.13/x
  3. Step 3: Cross multiply
    20,504.51x = 30,756.76 × 4,922.13
  4. Step 4: Simplify right side
    20,504.51x = 151,388,816.46
  5. Step 5: Solve for x
    x = 151,388,816.46/20,504.51
  6. Step 6: Final answer
    x = 7,383.20

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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.