Home / 34,364.64-47,406-21,769.44

Finding the Fourth Proportional to 34,364.64, 47,406 and 21,769.44

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Solution

The fourth proportional to 34,364.64, 47,406 and 21,769.44 is: 30,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,364.64 : 47,406 = 21,769.44 : x
  2. Step 2: Convert to fraction form
    34,364.64/47,406 = 21,769.44/x
  3. Step 3: Cross multiply
    34,364.64x = 47,406 × 21,769.44
  4. Step 4: Simplify right side
    34,364.64x = 1,032,002,072.64
  5. Step 5: Solve for x
    x = 1,032,002,072.64/34,364.64
  6. Step 6: Final answer
    x = 30,030.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.