Home / 30,826.72-46,206.16-12,101.12

Finding the Fourth Proportional to 30,826.72, 46,206.16 and 12,101.12

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Solution

The fourth proportional to 30,826.72, 46,206.16 and 12,101.12 is: 18,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,826.72 : 46,206.16 = 12,101.12 : x
  2. Step 2: Convert to fraction form
    30,826.72/46,206.16 = 12,101.12/x
  3. Step 3: Cross multiply
    30,826.72x = 46,206.16 × 12,101.12
  4. Step 4: Simplify right side
    30,826.72x = 559,146,286.90
  5. Step 5: Solve for x
    x = 559,146,286.90/30,826.72
  6. Step 6: Final answer
    x = 18,138.36

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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.