Home / 53,016.05-73,131.63-31,782.98

Finding the Fourth Proportional to 53,016.05, 73,131.63 and 31,782.98

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Solution

The fourth proportional to 53,016.05, 73,131.63 and 31,782.98 is: 43,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,016.05 : 73,131.63 = 31,782.98 : x
  2. Step 2: Convert to fraction form
    53,016.05/73,131.63 = 31,782.98/x
  3. Step 3: Cross multiply
    53,016.05x = 73,131.63 × 31,782.98
  4. Step 4: Simplify right side
    53,016.05x = 2,324,340,768.00
  5. Step 5: Solve for x
    x = 2,324,340,768.00/53,016.05
  6. Step 6: Final answer
    x = 43,842.21

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1.5x scale

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.