Home / 30,812.20-46,218.30-11,091.40

Finding the Fourth Proportional to 30,812.20, 46,218.30 and 11,091.40

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Solution

The fourth proportional to 30,812.20, 46,218.30 and 11,091.40 is: 16,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812.20 : 46,218.30 = 11,091.40 : x
  2. Step 2: Convert to fraction form
    30,812.20/46,218.30 = 11,091.40/x
  3. Step 3: Cross multiply
    30,812.20x = 46,218.30 × 11,091.40
  4. Step 4: Simplify right side
    30,812.20x = 512,625,652.62
  5. Step 5: Solve for x
    x = 512,625,652.62/30,812.20
  6. Step 6: Final answer
    x = 16,637.10

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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.