Home / 55,314.39-82,969.43-15,871.49

Finding the Fourth Proportional to 55,314.39, 82,969.43 and 15,871.49

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Solution

The fourth proportional to 55,314.39, 82,969.43 and 15,871.49 is: 23,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,314.39 : 82,969.43 = 15,871.49 : x
  2. Step 2: Convert to fraction form
    55,314.39/82,969.43 = 15,871.49/x
  3. Step 3: Cross multiply
    55,314.39x = 82,969.43 × 15,871.49
  4. Step 4: Simplify right side
    55,314.39x = 1,316,848,851.46
  5. Step 5: Solve for x
    x = 1,316,848,851.46/55,314.39
  6. Step 6: Final answer
    x = 23,806.62

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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.