Home / 39,062.70-53,906.36-21,835.04

Finding the Fourth Proportional to 39,062.70, 53,906.36 and 21,835.04

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Solution

The fourth proportional to 39,062.70, 53,906.36 and 21,835.04 is: 30,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,062.70 : 53,906.36 = 21,835.04 : x
  2. Step 2: Convert to fraction form
    39,062.70/53,906.36 = 21,835.04/x
  3. Step 3: Cross multiply
    39,062.70x = 53,906.36 × 21,835.04
  4. Step 4: Simplify right side
    39,062.70x = 1,177,047,526.85
  5. Step 5: Solve for x
    x = 1,177,047,526.85/39,062.70
  6. Step 6: Final answer
    x = 30,132.26

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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.