Home / 30,583.90-45,865.05-10,863.10

Finding the Fourth Proportional to 30,583.90, 45,865.05 and 10,863.10

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Solution

The fourth proportional to 30,583.90, 45,865.05 and 10,863.10 is: 16,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,583.90 : 45,865.05 = 10,863.10 : x
  2. Step 2: Convert to fraction form
    30,583.90/45,865.05 = 10,863.10/x
  3. Step 3: Cross multiply
    30,583.90x = 45,865.05 × 10,863.10
  4. Step 4: Simplify right side
    30,583.90x = 498,236,624.66
  5. Step 5: Solve for x
    x = 498,236,624.66/30,583.90
  6. Step 6: Final answer
    x = 16,290.81

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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.