Home / 30,074.36-45,081.78-14,251.58

Finding the Fourth Proportional to 30,074.36, 45,081.78 and 14,251.58

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Solution

The fourth proportional to 30,074.36, 45,081.78 and 14,251.58 is: 21,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074.36 : 45,081.78 = 14,251.58 : x
  2. Step 2: Convert to fraction form
    30,074.36/45,081.78 = 14,251.58/x
  3. Step 3: Cross multiply
    30,074.36x = 45,081.78 × 14,251.58
  4. Step 4: Simplify right side
    30,074.36x = 642,486,594.21
  5. Step 5: Solve for x
    x = 642,486,594.21/30,074.36
  6. Step 6: Final answer
    x = 21,363.27

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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.