Home / 38,980.21-53,817.29-27,039.37

Finding the Fourth Proportional to 38,980.21, 53,817.29 and 27,039.37

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Solution

The fourth proportional to 38,980.21, 53,817.29 and 27,039.37 is: 37,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,980.21 : 53,817.29 = 27,039.37 : x
  2. Step 2: Convert to fraction form
    38,980.21/53,817.29 = 27,039.37/x
  3. Step 3: Cross multiply
    38,980.21x = 53,817.29 × 27,039.37
  4. Step 4: Simplify right side
    38,980.21x = 1,455,185,616.71
  5. Step 5: Solve for x
    x = 1,455,185,616.71/38,980.21
  6. Step 6: Final answer
    x = 37,331.40

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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.