Home / 30,930.28-46,395.42-11,205.16

Finding the Fourth Proportional to 30,930.28, 46,395.42 and 11,205.16

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Solution

The fourth proportional to 30,930.28, 46,395.42 and 11,205.16 is: 16,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930.28 : 46,395.42 = 11,205.16 : x
  2. Step 2: Convert to fraction form
    30,930.28/46,395.42 = 11,205.16/x
  3. Step 3: Cross multiply
    30,930.28x = 46,395.42 × 11,205.16
  4. Step 4: Simplify right side
    30,930.28x = 519,868,104.37
  5. Step 5: Solve for x
    x = 519,868,104.37/30,930.28
  6. Step 6: Final answer
    x = 16,807.74

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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.