Home / 47,647.23-65,723.43-30,673.68

Finding the Fourth Proportional to 47,647.23, 65,723.43 and 30,673.68

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Solution

The fourth proportional to 47,647.23, 65,723.43 and 30,673.68 is: 42,310.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,647.23 : 65,723.43 = 30,673.68 : x
  2. Step 2: Convert to fraction form
    47,647.23/65,723.43 = 30,673.68/x
  3. Step 3: Cross multiply
    47,647.23x = 65,723.43 × 30,673.68
  4. Step 4: Simplify right side
    47,647.23x = 2,015,979,460.32
  5. Step 5: Solve for x
    x = 2,015,979,460.32/47,647.23
  6. Step 6: Final answer
    x = 42,310.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.