Home / 47,768.22-71,653-18,187.67

Finding the Fourth Proportional to 47,768.22, 71,653 and 18,187.67

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Solution

The fourth proportional to 47,768.22, 71,653 and 18,187.67 is: 27,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,768.22 : 71,653 = 18,187.67 : x
  2. Step 2: Convert to fraction form
    47,768.22/71,653 = 18,187.67/x
  3. Step 3: Cross multiply
    47,768.22x = 71,653 × 18,187.67
  4. Step 4: Simplify right side
    47,768.22x = 1,303,201,118.51
  5. Step 5: Solve for x
    x = 1,303,201,118.51/47,768.22
  6. Step 6: Final answer
    x = 27,281.76

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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.