Home / 20,133.49-30,200.24-5,343.02

Finding the Fourth Proportional to 20,133.49, 30,200.24 and 5,343.02

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Solution

The fourth proportional to 20,133.49, 30,200.24 and 5,343.02 is: 8,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.49 : 30,200.24 = 5,343.02 : x
  2. Step 2: Convert to fraction form
    20,133.49/30,200.24 = 5,343.02/x
  3. Step 3: Cross multiply
    20,133.49x = 30,200.24 × 5,343.02
  4. Step 4: Simplify right side
    20,133.49x = 161,360,486.32
  5. Step 5: Solve for x
    x = 161,360,486.32/20,133.49
  6. Step 6: Final answer
    x = 8,014.53

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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.