Home / 36,690.70-54,999.60-17,955.40

Finding the Fourth Proportional to 36,690.70, 54,999.60 and 17,955.40

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Solution

The fourth proportional to 36,690.70, 54,999.60 and 17,955.40 is: 26,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.70 : 54,999.60 = 17,955.40 : x
  2. Step 2: Convert to fraction form
    36,690.70/54,999.60 = 17,955.40/x
  3. Step 3: Cross multiply
    36,690.70x = 54,999.60 × 17,955.40
  4. Step 4: Simplify right side
    36,690.70x = 987,539,817.84
  5. Step 5: Solve for x
    x = 987,539,817.84/36,690.70
  6. Step 6: Final answer
    x = 26,915.26

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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.