Home / 39,090.70-53,935.77-23,179.06

Finding the Fourth Proportional to 39,090.70, 53,935.77 and 23,179.06

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Solution

The fourth proportional to 39,090.70, 53,935.77 and 23,179.06 is: 31,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090.70 : 53,935.77 = 23,179.06 : x
  2. Step 2: Convert to fraction form
    39,090.70/53,935.77 = 23,179.06/x
  3. Step 3: Cross multiply
    39,090.70x = 53,935.77 × 23,179.06
  4. Step 4: Simplify right side
    39,090.70x = 1,250,180,448.98
  5. Step 5: Solve for x
    x = 1,250,180,448.98/39,090.70
  6. Step 6: Final answer
    x = 31,981.53

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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.