Home / 39,713.54-54,804.66-21,808.54

Finding the Fourth Proportional to 39,713.54, 54,804.66 and 21,808.54

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Solution

The fourth proportional to 39,713.54, 54,804.66 and 21,808.54 is: 30,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,713.54 : 54,804.66 = 21,808.54 : x
  2. Step 2: Convert to fraction form
    39,713.54/54,804.66 = 21,808.54/x
  3. Step 3: Cross multiply
    39,713.54x = 54,804.66 × 21,808.54
  4. Step 4: Simplify right side
    39,713.54x = 1,195,209,619.80
  5. Step 5: Solve for x
    x = 1,195,209,619.80/39,713.54
  6. Step 6: Final answer
    x = 30,095.77

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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.