Home / 38,669.68-53,389.84-29,701.12

Finding the Fourth Proportional to 38,669.68, 53,389.84 and 29,701.12

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Solution

The fourth proportional to 38,669.68, 53,389.84 and 29,701.12 is: 41,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,669.68 : 53,389.84 = 29,701.12 : x
  2. Step 2: Convert to fraction form
    38,669.68/53,389.84 = 29,701.12/x
  3. Step 3: Cross multiply
    38,669.68x = 53,389.84 × 29,701.12
  4. Step 4: Simplify right side
    38,669.68x = 1,585,738,044.62
  5. Step 5: Solve for x
    x = 1,585,738,044.62/38,669.68
  6. Step 6: Final answer
    x = 41,007.27

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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.