Home / 45,269.74-67,904.62-14,107.42

Finding the Fourth Proportional to 45,269.74, 67,904.62 and 14,107.42

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Solution

The fourth proportional to 45,269.74, 67,904.62 and 14,107.42 is: 21,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,269.74 : 67,904.62 = 14,107.42 : x
  2. Step 2: Convert to fraction form
    45,269.74/67,904.62 = 14,107.42/x
  3. Step 3: Cross multiply
    45,269.74x = 67,904.62 × 14,107.42
  4. Step 4: Simplify right side
    45,269.74x = 957,958,994.28
  5. Step 5: Solve for x
    x = 957,958,994.28/45,269.74
  6. Step 6: Final answer
    x = 21,161.13

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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.