Home / 38,938.77-53,735.48-21,033.77

Finding the Fourth Proportional to 38,938.77, 53,735.48 and 21,033.77

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Solution

The fourth proportional to 38,938.77, 53,735.48 and 21,033.77 is: 29,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,938.77 : 53,735.48 = 21,033.77 : x
  2. Step 2: Convert to fraction form
    38,938.77/53,735.48 = 21,033.77/x
  3. Step 3: Cross multiply
    38,938.77x = 53,735.48 × 21,033.77
  4. Step 4: Simplify right side
    38,938.77x = 1,130,259,756.33
  5. Step 5: Solve for x
    x = 1,130,259,756.33/38,938.77
  6. Step 6: Final answer
    x = 29,026.59

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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.