Home / 36,405.95-54,608.88-11,448.18

Finding the Fourth Proportional to 36,405.95, 54,608.88 and 11,448.18

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Solution

The fourth proportional to 36,405.95, 54,608.88 and 11,448.18 is: 17,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,405.95 : 54,608.88 = 11,448.18 : x
  2. Step 2: Convert to fraction form
    36,405.95/54,608.88 = 11,448.18/x
  3. Step 3: Cross multiply
    36,405.95x = 54,608.88 × 11,448.18
  4. Step 4: Simplify right side
    36,405.95x = 625,172,287.84
  5. Step 5: Solve for x
    x = 625,172,287.84/36,405.95
  6. Step 6: Final answer
    x = 17,172.26

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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.