Home / 43,717.51-65,577.67-12,127.89

Finding the Fourth Proportional to 43,717.51, 65,577.67 and 12,127.89

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Solution

The fourth proportional to 43,717.51, 65,577.67 and 12,127.89 is: 18,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,717.51 : 65,577.67 = 12,127.89 : x
  2. Step 2: Convert to fraction form
    43,717.51/65,577.67 = 12,127.89/x
  3. Step 3: Cross multiply
    43,717.51x = 65,577.67 × 12,127.89
  4. Step 4: Simplify right side
    43,717.51x = 795,318,732.74
  5. Step 5: Solve for x
    x = 795,318,732.74/43,717.51
  6. Step 6: Final answer
    x = 18,192.22

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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.