Home / 40,684.14-61,065.62-19,638.96

Finding the Fourth Proportional to 40,684.14, 61,065.62 and 19,638.96

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Solution

The fourth proportional to 40,684.14, 61,065.62 and 19,638.96 is: 29,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,684.14 : 61,065.62 = 19,638.96 : x
  2. Step 2: Convert to fraction form
    40,684.14/61,065.62 = 19,638.96/x
  3. Step 3: Cross multiply
    40,684.14x = 61,065.62 × 19,638.96
  4. Step 4: Simplify right side
    40,684.14x = 1,199,265,244.01
  5. Step 5: Solve for x
    x = 1,199,265,244.01/40,684.14
  6. Step 6: Final answer
    x = 29,477.46

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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.