Home / 34,138.44-47,111.13-19,801.02

Finding the Fourth Proportional to 34,138.44, 47,111.13 and 19,801.02

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Solution

The fourth proportional to 34,138.44, 47,111.13 and 19,801.02 is: 27,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,138.44 : 47,111.13 = 19,801.02 : x
  2. Step 2: Convert to fraction form
    34,138.44/47,111.13 = 19,801.02/x
  3. Step 3: Cross multiply
    34,138.44x = 47,111.13 × 19,801.02
  4. Step 4: Simplify right side
    34,138.44x = 932,848,427.35
  5. Step 5: Solve for x
    x = 932,848,427.35/34,138.44
  6. Step 6: Final answer
    x = 27,325.46

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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.