Home / 30,281.87-41,790.18-16,853.69

Finding the Fourth Proportional to 30,281.87, 41,790.18 and 16,853.69

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Solution

The fourth proportional to 30,281.87, 41,790.18 and 16,853.69 is: 23,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.87 : 41,790.18 = 16,853.69 : x
  2. Step 2: Convert to fraction form
    30,281.87/41,790.18 = 16,853.69/x
  3. Step 3: Cross multiply
    30,281.87x = 41,790.18 × 16,853.69
  4. Step 4: Simplify right side
    30,281.87x = 704,318,529.81
  5. Step 5: Solve for x
    x = 704,318,529.81/30,281.87
  6. Step 6: Final answer
    x = 23,258.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.