Home / 30,713.58-46,060.56-11,989.08

Finding the Fourth Proportional to 30,713.58, 46,060.56 and 11,989.08

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Solution

The fourth proportional to 30,713.58, 46,060.56 and 11,989.08 is: 17,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,713.58 : 46,060.56 = 11,989.08 : x
  2. Step 2: Convert to fraction form
    30,713.58/46,060.56 = 11,989.08/x
  3. Step 3: Cross multiply
    30,713.58x = 46,060.56 × 11,989.08
  4. Step 4: Simplify right side
    30,713.58x = 552,223,738.68
  5. Step 5: Solve for x
    x = 552,223,738.68/30,713.58
  6. Step 6: Final answer
    x = 17,979.79

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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.