Home / 43,767.23-65,662.47-15,690.12

Finding the Fourth Proportional to 43,767.23, 65,662.47 and 15,690.12

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Solution

The fourth proportional to 43,767.23, 65,662.47 and 15,690.12 is: 23,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,767.23 : 65,662.47 = 15,690.12 : x
  2. Step 2: Convert to fraction form
    43,767.23/65,662.47 = 15,690.12/x
  3. Step 3: Cross multiply
    43,767.23x = 65,662.47 × 15,690.12
  4. Step 4: Simplify right side
    43,767.23x = 1,030,252,033.80
  5. Step 5: Solve for x
    x = 1,030,252,033.80/43,767.23
  6. Step 6: Final answer
    x = 23,539.35

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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.