Home / 73,742.10-110,613.15-18,338.10

Finding the Fourth Proportional to 73,742.10, 110,613.15 and 18,338.10

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Solution

The fourth proportional to 73,742.10, 110,613.15 and 18,338.10 is: 27,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,742.10 : 110,613.15 = 18,338.10 : x
  2. Step 2: Convert to fraction form
    73,742.10/110,613.15 = 18,338.10/x
  3. Step 3: Cross multiply
    73,742.10x = 110,613.15 × 18,338.10
  4. Step 4: Simplify right side
    73,742.10x = 2,028,435,006.02
  5. Step 5: Solve for x
    x = 2,028,435,006.02/73,742.10
  6. Step 6: Final answer
    x = 27,507.15

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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.