Home / 30,867.20-46,302.60-8,682.30

Finding the Fourth Proportional to 30,867.20, 46,302.60 and 8,682.30

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Solution

The fourth proportional to 30,867.20, 46,302.60 and 8,682.30 is: 13,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867.20 : 46,302.60 = 8,682.30 : x
  2. Step 2: Convert to fraction form
    30,867.20/46,302.60 = 8,682.30/x
  3. Step 3: Cross multiply
    30,867.20x = 46,302.60 × 8,682.30
  4. Step 4: Simplify right side
    30,867.20x = 402,013,063.98
  5. Step 5: Solve for x
    x = 402,013,063.98/30,867.20
  6. Step 6: Final answer
    x = 13,023.96

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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.