Home / 39,928.88-55,051.26-26,314.80

Finding the Fourth Proportional to 39,928.88, 55,051.26 and 26,314.80

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Solution

The fourth proportional to 39,928.88, 55,051.26 and 26,314.80 is: 36,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.88 : 55,051.26 = 26,314.80 : x
  2. Step 2: Convert to fraction form
    39,928.88/55,051.26 = 26,314.80/x
  3. Step 3: Cross multiply
    39,928.88x = 55,051.26 × 26,314.80
  4. Step 4: Simplify right side
    39,928.88x = 1,448,662,896.65
  5. Step 5: Solve for x
    x = 1,448,662,896.65/39,928.88
  6. Step 6: Final answer
    x = 36,281.08

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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.