Home / 36,312.42-54,441-18,771.06

Finding the Fourth Proportional to 36,312.42, 54,441 and 18,771.06

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Solution

The fourth proportional to 36,312.42, 54,441 and 18,771.06 is: 28,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,312.42 : 54,441 = 18,771.06 : x
  2. Step 2: Convert to fraction form
    36,312.42/54,441 = 18,771.06/x
  3. Step 3: Cross multiply
    36,312.42x = 54,441 × 18,771.06
  4. Step 4: Simplify right side
    36,312.42x = 1,021,915,277.46
  5. Step 5: Solve for x
    x = 1,021,915,277.46/36,312.42
  6. Step 6: Final answer
    x = 28,142.31

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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.