Home / 30,690.38-46,035.57-12,235.34

Finding the Fourth Proportional to 30,690.38, 46,035.57 and 12,235.34

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Solution

The fourth proportional to 30,690.38, 46,035.57 and 12,235.34 is: 18,353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690.38 : 46,035.57 = 12,235.34 : x
  2. Step 2: Convert to fraction form
    30,690.38/46,035.57 = 12,235.34/x
  3. Step 3: Cross multiply
    30,690.38x = 46,035.57 × 12,235.34
  4. Step 4: Simplify right side
    30,690.38x = 563,260,620.87
  5. Step 5: Solve for x
    x = 563,260,620.87/30,690.38
  6. Step 6: Final answer
    x = 18,353.01

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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.