Home / 73,025.29-109,556.16-20,434.32

Finding the Fourth Proportional to 73,025.29, 109,556.16 and 20,434.32

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Solution

The fourth proportional to 73,025.29, 109,556.16 and 20,434.32 is: 30,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,025.29 : 109,556.16 = 20,434.32 : x
  2. Step 2: Convert to fraction form
    73,025.29/109,556.16 = 20,434.32/x
  3. Step 3: Cross multiply
    73,025.29x = 109,556.16 × 20,434.32
  4. Step 4: Simplify right side
    73,025.29x = 2,238,705,631.41
  5. Step 5: Solve for x
    x = 2,238,705,631.41/73,025.29
  6. Step 6: Final answer
    x = 30,656.58

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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.