Home / 73,019.10-109,516.23-20,416.35

Finding the Fourth Proportional to 73,019.10, 109,516.23 and 20,416.35

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Solution

The fourth proportional to 73,019.10, 109,516.23 and 20,416.35 is: 30,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,019.10 : 109,516.23 = 20,416.35 : x
  2. Step 2: Convert to fraction form
    73,019.10/109,516.23 = 20,416.35/x
  3. Step 3: Cross multiply
    73,019.10x = 109,516.23 × 20,416.35
  4. Step 4: Simplify right side
    73,019.10x = 2,235,921,682.36
  5. Step 5: Solve for x
    x = 2,235,921,682.36/73,019.10
  6. Step 6: Final answer
    x = 30,621.05

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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.