Home / 39,144.12-58,720.02-11,064.39

Finding the Fourth Proportional to 39,144.12, 58,720.02 and 11,064.39

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Solution

The fourth proportional to 39,144.12, 58,720.02 and 11,064.39 is: 16,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,144.12 : 58,720.02 = 11,064.39 : x
  2. Step 2: Convert to fraction form
    39,144.12/58,720.02 = 11,064.39/x
  3. Step 3: Cross multiply
    39,144.12x = 58,720.02 × 11,064.39
  4. Step 4: Simplify right side
    39,144.12x = 649,701,202.09
  5. Step 5: Solve for x
    x = 649,701,202.09/39,144.12
  6. Step 6: Final answer
    x = 16,597.67

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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.