Home / 30,903.37-46,357.01-11,937.05

Finding the Fourth Proportional to 30,903.37, 46,357.01 and 11,937.05

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Solution

The fourth proportional to 30,903.37, 46,357.01 and 11,937.05 is: 17,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.37 : 46,357.01 = 11,937.05 : x
  2. Step 2: Convert to fraction form
    30,903.37/46,357.01 = 11,937.05/x
  3. Step 3: Cross multiply
    30,903.37x = 46,357.01 × 11,937.05
  4. Step 4: Simplify right side
    30,903.37x = 553,365,873.35
  5. Step 5: Solve for x
    x = 553,365,873.35/30,903.37
  6. Step 6: Final answer
    x = 17,906.33

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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.