Home / 39,440.16-54,427.44-22,672.16

Finding the Fourth Proportional to 39,440.16, 54,427.44 and 22,672.16

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Solution

The fourth proportional to 39,440.16, 54,427.44 and 22,672.16 is: 31,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,440.16 : 54,427.44 = 22,672.16 : x
  2. Step 2: Convert to fraction form
    39,440.16/54,427.44 = 22,672.16/x
  3. Step 3: Cross multiply
    39,440.16x = 54,427.44 × 22,672.16
  4. Step 4: Simplify right side
    39,440.16x = 1,233,987,628.07
  5. Step 5: Solve for x
    x = 1,233,987,628.07/39,440.16
  6. Step 6: Final answer
    x = 31,287.59

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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.