Home / 34,203.37-47,201.45-21,457.09

Finding the Fourth Proportional to 34,203.37, 47,201.45 and 21,457.09

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Solution

The fourth proportional to 34,203.37, 47,201.45 and 21,457.09 is: 29,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,203.37 : 47,201.45 = 21,457.09 : x
  2. Step 2: Convert to fraction form
    34,203.37/47,201.45 = 21,457.09/x
  3. Step 3: Cross multiply
    34,203.37x = 47,201.45 × 21,457.09
  4. Step 4: Simplify right side
    34,203.37x = 1,012,805,760.78
  5. Step 5: Solve for x
    x = 1,012,805,760.78/34,203.37
  6. Step 6: Final answer
    x = 29,611.29

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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.