Home / 39,832.65-54,968.67-21,927.19

Finding the Fourth Proportional to 39,832.65, 54,968.67 and 21,927.19

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Solution

The fourth proportional to 39,832.65, 54,968.67 and 21,927.19 is: 30,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.65 : 54,968.67 = 21,927.19 : x
  2. Step 2: Convert to fraction form
    39,832.65/54,968.67 = 21,927.19/x
  3. Step 3: Cross multiply
    39,832.65x = 54,968.67 × 21,927.19
  4. Step 4: Simplify right side
    39,832.65x = 1,205,308,471.14
  5. Step 5: Solve for x
    x = 1,205,308,471.14/39,832.65
  6. Step 6: Final answer
    x = 30,259.31

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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.