Home / 39,348.44-54,300.86-21,443.45

Finding the Fourth Proportional to 39,348.44, 54,300.86 and 21,443.45

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Solution

The fourth proportional to 39,348.44, 54,300.86 and 21,443.45 is: 29,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,348.44 : 54,300.86 = 21,443.45 : x
  2. Step 2: Convert to fraction form
    39,348.44/54,300.86 = 21,443.45/x
  3. Step 3: Cross multiply
    39,348.44x = 54,300.86 × 21,443.45
  4. Step 4: Simplify right side
    39,348.44x = 1,164,397,804.90
  5. Step 5: Solve for x
    x = 1,164,397,804.90/39,348.44
  6. Step 6: Final answer
    x = 29,591.97

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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.