Home / 34,354.80-47,408.67-20,208.60

Finding the Fourth Proportional to 34,354.80, 47,408.67 and 20,208.60

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Solution

The fourth proportional to 34,354.80, 47,408.67 and 20,208.60 is: 27,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,354.80 : 47,408.67 = 20,208.60 : x
  2. Step 2: Convert to fraction form
    34,354.80/47,408.67 = 20,208.60/x
  3. Step 3: Cross multiply
    34,354.80x = 47,408.67 × 20,208.60
  4. Step 4: Simplify right side
    34,354.80x = 958,062,848.56
  5. Step 5: Solve for x
    x = 958,062,848.56/34,354.80
  6. Step 6: Final answer
    x = 27,887.31

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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.