Home / 38,840.69-53,595.44-21,608.98

Finding the Fourth Proportional to 38,840.69, 53,595.44 and 21,608.98

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Solution

The fourth proportional to 38,840.69, 53,595.44 and 21,608.98 is: 29,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,840.69 : 53,595.44 = 21,608.98 : x
  2. Step 2: Convert to fraction form
    38,840.69/53,595.44 = 21,608.98/x
  3. Step 3: Cross multiply
    38,840.69x = 53,595.44 × 21,608.98
  4. Step 4: Simplify right side
    38,840.69x = 1,158,142,415.03
  5. Step 5: Solve for x
    x = 1,158,142,415.03/38,840.69
  6. Step 6: Final answer
    x = 29,817.76

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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.