Home / 43,718.40-65,577.96-12,554.64

Finding the Fourth Proportional to 43,718.40, 65,577.96 and 12,554.64

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Solution

The fourth proportional to 43,718.40, 65,577.96 and 12,554.64 is: 18,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,718.40 : 65,577.96 = 12,554.64 : x
  2. Step 2: Convert to fraction form
    43,718.40/65,577.96 = 12,554.64/x
  3. Step 3: Cross multiply
    43,718.40x = 65,577.96 × 12,554.64
  4. Step 4: Simplify right side
    43,718.40x = 823,307,679.73
  5. Step 5: Solve for x
    x = 823,307,679.73/43,718.40
  6. Step 6: Final answer
    x = 18,832.06

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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.