Home / 30,921.75-46,382.93-7,548.19

Finding the Fourth Proportional to 30,921.75, 46,382.93 and 7,548.19

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Solution

The fourth proportional to 30,921.75, 46,382.93 and 7,548.19 is: 11,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921.75 : 46,382.93 = 7,548.19 : x
  2. Step 2: Convert to fraction form
    30,921.75/46,382.93 = 7,548.19/x
  3. Step 3: Cross multiply
    30,921.75x = 46,382.93 × 7,548.19
  4. Step 4: Simplify right side
    30,921.75x = 350,107,043.00
  5. Step 5: Solve for x
    x = 350,107,043.00/30,921.75
  6. Step 6: Final answer
    x = 11,322.36

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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.