Home / 45,189.26-67,783.55-13,599.19

Finding the Fourth Proportional to 45,189.26, 67,783.55 and 13,599.19

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Solution

The fourth proportional to 45,189.26, 67,783.55 and 13,599.19 is: 20,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,189.26 : 67,783.55 = 13,599.19 : x
  2. Step 2: Convert to fraction form
    45,189.26/67,783.55 = 13,599.19/x
  3. Step 3: Cross multiply
    45,189.26x = 67,783.55 × 13,599.19
  4. Step 4: Simplify right side
    45,189.26x = 921,801,239.86
  5. Step 5: Solve for x
    x = 921,801,239.86/45,189.26
  6. Step 6: Final answer
    x = 20,398.68

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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.