Home / 34,620.80-51,947.40-17,999.60

Finding the Fourth Proportional to 34,620.80, 51,947.40 and 17,999.60

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Solution

The fourth proportional to 34,620.80, 51,947.40 and 17,999.60 is: 27,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,620.80 : 51,947.40 = 17,999.60 : x
  2. Step 2: Convert to fraction form
    34,620.80/51,947.40 = 17,999.60/x
  3. Step 3: Cross multiply
    34,620.80x = 51,947.40 × 17,999.60
  4. Step 4: Simplify right side
    34,620.80x = 935,032,421.04
  5. Step 5: Solve for x
    x = 935,032,421.04/34,620.80
  6. Step 6: Final answer
    x = 27,007.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.