Home / 54,645.08-81,967.68-15,202.20

Finding the Fourth Proportional to 54,645.08, 81,967.68 and 15,202.20

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Solution

The fourth proportional to 54,645.08, 81,967.68 and 15,202.20 is: 22,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.08 : 81,967.68 = 15,202.20 : x
  2. Step 2: Convert to fraction form
    54,645.08/81,967.68 = 15,202.20/x
  3. Step 3: Cross multiply
    54,645.08x = 81,967.68 × 15,202.20
  4. Step 4: Simplify right side
    54,645.08x = 1,246,089,064.90
  5. Step 5: Solve for x
    x = 1,246,089,064.90/54,645.08
  6. Step 6: Final answer
    x = 22,803.32

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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.