Home / 30,808.01-46,216.13-10,812.75

Finding the Fourth Proportional to 30,808.01, 46,216.13 and 10,812.75

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Solution

The fourth proportional to 30,808.01, 46,216.13 and 10,812.75 is: 16,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808.01 : 46,216.13 = 10,812.75 : x
  2. Step 2: Convert to fraction form
    30,808.01/46,216.13 = 10,812.75/x
  3. Step 3: Cross multiply
    30,808.01x = 46,216.13 × 10,812.75
  4. Step 4: Simplify right side
    30,808.01x = 499,723,405.59
  5. Step 5: Solve for x
    x = 499,723,405.59/30,808.01
  6. Step 6: Final answer
    x = 16,220.57

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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.