Home / 39,995.40-55,201.36-23,011.08

Finding the Fourth Proportional to 39,995.40, 55,201.36 and 23,011.08

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Solution

The fourth proportional to 39,995.40, 55,201.36 and 23,011.08 is: 31,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,995.40 : 55,201.36 = 23,011.08 : x
  2. Step 2: Convert to fraction form
    39,995.40/55,201.36 = 23,011.08/x
  3. Step 3: Cross multiply
    39,995.40x = 55,201.36 × 23,011.08
  4. Step 4: Simplify right side
    39,995.40x = 1,270,242,911.07
  5. Step 5: Solve for x
    x = 1,270,242,911.07/39,995.40
  6. Step 6: Final answer
    x = 31,759.73

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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.