Home / 34,567.36-47,706.54-21,147.55

Finding the Fourth Proportional to 34,567.36, 47,706.54 and 21,147.55

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Solution

The fourth proportional to 34,567.36, 47,706.54 and 21,147.55 is: 29,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,567.36 : 47,706.54 = 21,147.55 : x
  2. Step 2: Convert to fraction form
    34,567.36/47,706.54 = 21,147.55/x
  3. Step 3: Cross multiply
    34,567.36x = 47,706.54 × 21,147.55
  4. Step 4: Simplify right side
    34,567.36x = 1,008,876,439.98
  5. Step 5: Solve for x
    x = 1,008,876,439.98/34,567.36
  6. Step 6: Final answer
    x = 29,185.81

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1.5x scale

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.