Home / 36,231.60-54,347.40-12,860.40

Finding the Fourth Proportional to 36,231.60, 54,347.40 and 12,860.40

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Solution

The fourth proportional to 36,231.60, 54,347.40 and 12,860.40 is: 19,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.60 : 54,347.40 = 12,860.40 : x
  2. Step 2: Convert to fraction form
    36,231.60/54,347.40 = 12,860.40/x
  3. Step 3: Cross multiply
    36,231.60x = 54,347.40 × 12,860.40
  4. Step 4: Simplify right side
    36,231.60x = 698,929,302.96
  5. Step 5: Solve for x
    x = 698,929,302.96/36,231.60
  6. Step 6: Final answer
    x = 19,290.60

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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.