Home / 39,198.76-54,100.74-28,623.40

Finding the Fourth Proportional to 39,198.76, 54,100.74 and 28,623.40

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Solution

The fourth proportional to 39,198.76, 54,100.74 and 28,623.40 is: 39,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.76 : 54,100.74 = 28,623.40 : x
  2. Step 2: Convert to fraction form
    39,198.76/54,100.74 = 28,623.40/x
  3. Step 3: Cross multiply
    39,198.76x = 54,100.74 × 28,623.40
  4. Step 4: Simplify right side
    39,198.76x = 1,548,547,121.32
  5. Step 5: Solve for x
    x = 1,548,547,121.32/39,198.76
  6. Step 6: Final answer
    x = 39,505.00

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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.