Home / 53,235.51-79,908.64-39,211.37

Finding the Fourth Proportional to 53,235.51, 79,908.64 and 39,211.37

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Solution

The fourth proportional to 53,235.51, 79,908.64 and 39,211.37 is: 58,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,235.51 : 79,908.64 = 39,211.37 : x
  2. Step 2: Convert to fraction form
    53,235.51/79,908.64 = 39,211.37/x
  3. Step 3: Cross multiply
    53,235.51x = 79,908.64 × 39,211.37
  4. Step 4: Simplify right side
    53,235.51x = 3,133,327,249.24
  5. Step 5: Solve for x
    x = 3,133,327,249.24/53,235.51
  6. Step 6: Final answer
    x = 58,857.84

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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.