Home / 39,656.99-54,725.70-21,751.83

Finding the Fourth Proportional to 39,656.99, 54,725.70 and 21,751.83

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Solution

The fourth proportional to 39,656.99, 54,725.70 and 21,751.83 is: 30,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,656.99 : 54,725.70 = 21,751.83 : x
  2. Step 2: Convert to fraction form
    39,656.99/54,725.70 = 21,751.83/x
  3. Step 3: Cross multiply
    39,656.99x = 54,725.70 × 21,751.83
  4. Step 4: Simplify right side
    39,656.99x = 1,190,384,123.03
  5. Step 5: Solve for x
    x = 1,190,384,123.03/39,656.99
  6. Step 6: Final answer
    x = 30,017.01

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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.