Home / 61,054.48-91,584.06-18,938.89

Finding the Fourth Proportional to 61,054.48, 91,584.06 and 18,938.89

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Solution

The fourth proportional to 61,054.48, 91,584.06 and 18,938.89 is: 28,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,054.48 : 91,584.06 = 18,938.89 : x
  2. Step 2: Convert to fraction form
    61,054.48/91,584.06 = 18,938.89/x
  3. Step 3: Cross multiply
    61,054.48x = 91,584.06 × 18,938.89
  4. Step 4: Simplify right side
    61,054.48x = 1,734,500,438.09
  5. Step 5: Solve for x
    x = 1,734,500,438.09/61,054.48
  6. Step 6: Final answer
    x = 28,409.06

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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.