Home / 43,690.82-65,540.44-17,389.40

Finding the Fourth Proportional to 43,690.82, 65,540.44 and 17,389.40

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Solution

The fourth proportional to 43,690.82, 65,540.44 and 17,389.40 is: 26,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,690.82 : 65,540.44 = 17,389.40 : x
  2. Step 2: Convert to fraction form
    43,690.82/65,540.44 = 17,389.40/x
  3. Step 3: Cross multiply
    43,690.82x = 65,540.44 × 17,389.40
  4. Step 4: Simplify right side
    43,690.82x = 1,139,708,927.34
  5. Step 5: Solve for x
    x = 1,139,708,927.34/43,690.82
  6. Step 6: Final answer
    x = 26,085.78

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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.