Home / 38,829.57-53,549.26-28,783.03

Finding the Fourth Proportional to 38,829.57, 53,549.26 and 28,783.03

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Solution

The fourth proportional to 38,829.57, 53,549.26 and 28,783.03 is: 39,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,829.57 : 53,549.26 = 28,783.03 : x
  2. Step 2: Convert to fraction form
    38,829.57/53,549.26 = 28,783.03/x
  3. Step 3: Cross multiply
    38,829.57x = 53,549.26 × 28,783.03
  4. Step 4: Simplify right side
    38,829.57x = 1,541,309,957.06
  5. Step 5: Solve for x
    x = 1,541,309,957.06/38,829.57
  6. Step 6: Final answer
    x = 39,694.23

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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.