Home / 38,981.71-53,819.36-27,040.87

Finding the Fourth Proportional to 38,981.71, 53,819.36 and 27,040.87

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Solution

The fourth proportional to 38,981.71, 53,819.36 and 27,040.87 is: 37,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.71 : 53,819.36 = 27,040.87 : x
  2. Step 2: Convert to fraction form
    38,981.71/53,819.36 = 27,040.87/x
  3. Step 3: Cross multiply
    38,981.71x = 53,819.36 × 27,040.87
  4. Step 4: Simplify right side
    38,981.71x = 1,455,322,317.24
  5. Step 5: Solve for x
    x = 1,455,322,317.24/38,981.71
  6. Step 6: Final answer
    x = 37,333.47

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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.