Home / 34,540.02-47,664.75-20,209.70

Finding the Fourth Proportional to 34,540.02, 47,664.75 and 20,209.70

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Solution

The fourth proportional to 34,540.02, 47,664.75 and 20,209.70 is: 27,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,540.02 : 47,664.75 = 20,209.70 : x
  2. Step 2: Convert to fraction form
    34,540.02/47,664.75 = 20,209.70/x
  3. Step 3: Cross multiply
    34,540.02x = 47,664.75 × 20,209.70
  4. Step 4: Simplify right side
    34,540.02x = 963,290,493.02
  5. Step 5: Solve for x
    x = 963,290,493.02/34,540.02
  6. Step 6: Final answer
    x = 27,889.11

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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.