Home / 45,269.25-67,904.37-13,679.57

Finding the Fourth Proportional to 45,269.25, 67,904.37 and 13,679.57

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Solution

The fourth proportional to 45,269.25, 67,904.37 and 13,679.57 is: 20,519.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,269.25 : 67,904.37 = 13,679.57 : x
  2. Step 2: Convert to fraction form
    45,269.25/67,904.37 = 13,679.57/x
  3. Step 3: Cross multiply
    45,269.25x = 67,904.37 × 13,679.57
  4. Step 4: Simplify right side
    45,269.25x = 928,902,582.72
  5. Step 5: Solve for x
    x = 928,902,582.72/45,269.25
  6. Step 6: Final answer
    x = 20,519.50

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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.