Home / 38,255.29-57,384.86-27,130.21

Finding the Fourth Proportional to 38,255.29, 57,384.86 and 27,130.21

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Solution

The fourth proportional to 38,255.29, 57,384.86 and 27,130.21 is: 40,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.29 : 57,384.86 = 27,130.21 : x
  2. Step 2: Convert to fraction form
    38,255.29/57,384.86 = 27,130.21/x
  3. Step 3: Cross multiply
    38,255.29x = 57,384.86 × 27,130.21
  4. Step 4: Simplify right side
    38,255.29x = 1,556,863,023.51
  5. Step 5: Solve for x
    x = 1,556,863,023.51/38,255.29
  6. Step 6: Final answer
    x = 40,696.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.