Home / 38,365.36-57,532.92-18,638.08

Finding the Fourth Proportional to 38,365.36, 57,532.92 and 18,638.08

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Solution

The fourth proportional to 38,365.36, 57,532.92 and 18,638.08 is: 27,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365.36 : 57,532.92 = 18,638.08 : x
  2. Step 2: Convert to fraction form
    38,365.36/57,532.92 = 18,638.08/x
  3. Step 3: Cross multiply
    38,365.36x = 57,532.92 × 18,638.08
  4. Step 4: Simplify right side
    38,365.36x = 1,072,303,165.59
  5. Step 5: Solve for x
    x = 1,072,303,165.59/38,365.36
  6. Step 6: Final answer
    x = 27,949.77

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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.