Home / 73,621.05-110,430.35-18,217.05

Finding the Fourth Proportional to 73,621.05, 110,430.35 and 18,217.05

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Solution

The fourth proportional to 73,621.05, 110,430.35 and 18,217.05 is: 27,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,621.05 : 110,430.35 = 18,217.05 : x
  2. Step 2: Convert to fraction form
    73,621.05/110,430.35 = 18,217.05/x
  3. Step 3: Cross multiply
    73,621.05x = 110,430.35 × 18,217.05
  4. Step 4: Simplify right side
    73,621.05x = 2,011,715,207.47
  5. Step 5: Solve for x
    x = 2,011,715,207.47/73,621.05
  6. Step 6: Final answer
    x = 27,325.27

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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.