Home / 38,927.75-53,657.19-30,415.02

Finding the Fourth Proportional to 38,927.75, 53,657.19 and 30,415.02

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Solution

The fourth proportional to 38,927.75, 53,657.19 and 30,415.02 is: 41,923.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,927.75 : 53,657.19 = 30,415.02 : x
  2. Step 2: Convert to fraction form
    38,927.75/53,657.19 = 30,415.02/x
  3. Step 3: Cross multiply
    38,927.75x = 53,657.19 × 30,415.02
  4. Step 4: Simplify right side
    38,927.75x = 1,631,984,478.08
  5. Step 5: Solve for x
    x = 1,631,984,478.08/38,927.75
  6. Step 6: Final answer
    x = 41,923.43

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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.