Home / 20,133.92-30,202.36-5,342.51

Finding the Fourth Proportional to 20,133.92, 30,202.36 and 5,342.51

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Solution

The fourth proportional to 20,133.92, 30,202.36 and 5,342.51 is: 8,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.92 : 30,202.36 = 5,342.51 : x
  2. Step 2: Convert to fraction form
    20,133.92/30,202.36 = 5,342.51/x
  3. Step 3: Cross multiply
    20,133.92x = 30,202.36 × 5,342.51
  4. Step 4: Simplify right side
    20,133.92x = 161,356,410.32
  5. Step 5: Solve for x
    x = 161,356,410.32/20,133.92
  6. Step 6: Final answer
    x = 8,014.16

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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.