Home / 42,161.08-63,241.56-12,599.62

Finding the Fourth Proportional to 42,161.08, 63,241.56 and 12,599.62

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Solution

The fourth proportional to 42,161.08, 63,241.56 and 12,599.62 is: 18,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,161.08 : 63,241.56 = 12,599.62 : x
  2. Step 2: Convert to fraction form
    42,161.08/63,241.56 = 12,599.62/x
  3. Step 3: Cross multiply
    42,161.08x = 63,241.56 × 12,599.62
  4. Step 4: Simplify right side
    42,161.08x = 796,819,624.21
  5. Step 5: Solve for x
    x = 796,819,624.21/42,161.08
  6. Step 6: Final answer
    x = 18,899.41

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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.