Home / 30,100.94-45,126.74-11,370.33

Finding the Fourth Proportional to 30,100.94, 45,126.74 and 11,370.33

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Solution

The fourth proportional to 30,100.94, 45,126.74 and 11,370.33 is: 17,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.94 : 45,126.74 = 11,370.33 : x
  2. Step 2: Convert to fraction form
    30,100.94/45,126.74 = 11,370.33/x
  3. Step 3: Cross multiply
    30,100.94x = 45,126.74 × 11,370.33
  4. Step 4: Simplify right side
    30,100.94x = 513,105,868.77
  5. Step 5: Solve for x
    x = 513,105,868.77/30,100.94
  6. Step 6: Final answer
    x = 17,046.18

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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.