Home / 53,235.83-79,909.11-39,211.68

Finding the Fourth Proportional to 53,235.83, 79,909.11 and 39,211.68

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Solution

The fourth proportional to 53,235.83, 79,909.11 and 39,211.68 is: 58,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,235.83 : 79,909.11 = 39,211.68 : x
  2. Step 2: Convert to fraction form
    53,235.83/79,909.11 = 39,211.68/x
  3. Step 3: Cross multiply
    53,235.83x = 79,909.11 × 39,211.68
  4. Step 4: Simplify right side
    53,235.83x = 3,133,370,450.40
  5. Step 5: Solve for x
    x = 3,133,370,450.40/53,235.83
  6. Step 6: Final answer
    x = 58,858.31

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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.