Home / 34,383.54-47,449.72-19,279.46

Finding the Fourth Proportional to 34,383.54, 47,449.72 and 19,279.46

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Solution

The fourth proportional to 34,383.54, 47,449.72 and 19,279.46 is: 26,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,383.54 : 47,449.72 = 19,279.46 : x
  2. Step 2: Convert to fraction form
    34,383.54/47,449.72 = 19,279.46/x
  3. Step 3: Cross multiply
    34,383.54x = 47,449.72 × 19,279.46
  4. Step 4: Simplify right side
    34,383.54x = 914,804,978.75
  5. Step 5: Solve for x
    x = 914,804,978.75/34,383.54
  6. Step 6: Final answer
    x = 26,605.90

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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.