Home / 34,567.15-47,706.23-21,147.32

Finding the Fourth Proportional to 34,567.15, 47,706.23 and 21,147.32

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Solution

The fourth proportional to 34,567.15, 47,706.23 and 21,147.32 is: 29,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,567.15 : 47,706.23 = 21,147.32 : x
  2. Step 2: Convert to fraction form
    34,567.15/47,706.23 = 21,147.32/x
  3. Step 3: Cross multiply
    34,567.15x = 47,706.23 × 21,147.32
  4. Step 4: Simplify right side
    34,567.15x = 1,008,858,673.27
  5. Step 5: Solve for x
    x = 1,008,858,673.27/34,567.15
  6. Step 6: Final answer
    x = 29,185.48

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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.