Home / 30,032.75-45,049.13-9,256.25

Finding the Fourth Proportional to 30,032.75, 45,049.13 and 9,256.25

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Solution

The fourth proportional to 30,032.75, 45,049.13 and 9,256.25 is: 13,884.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,032.75 : 45,049.13 = 9,256.25 : x
  2. Step 2: Convert to fraction form
    30,032.75/45,049.13 = 9,256.25/x
  3. Step 3: Cross multiply
    30,032.75x = 45,049.13 × 9,256.25
  4. Step 4: Simplify right side
    30,032.75x = 416,986,009.56
  5. Step 5: Solve for x
    x = 416,986,009.56/30,032.75
  6. Step 6: Final answer
    x = 13,884.38

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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.