Home / 38,813.82-58,220.73-30,985.98

Finding the Fourth Proportional to 38,813.82, 58,220.73 and 30,985.98

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Solution

The fourth proportional to 38,813.82, 58,220.73 and 30,985.98 is: 46,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,813.82 : 58,220.73 = 30,985.98 : x
  2. Step 2: Convert to fraction form
    38,813.82/58,220.73 = 30,985.98/x
  3. Step 3: Cross multiply
    38,813.82x = 58,220.73 × 30,985.98
  4. Step 4: Simplify right side
    38,813.82x = 1,804,026,375.37
  5. Step 5: Solve for x
    x = 1,804,026,375.37/38,813.82
  6. Step 6: Final answer
    x = 46,478.97

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Similar ratio
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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.