Home / 36,678.96-55,009.58-16,938.54

Finding the Fourth Proportional to 36,678.96, 55,009.58 and 16,938.54

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Solution

The fourth proportional to 36,678.96, 55,009.58 and 16,938.54 is: 25,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.96 : 55,009.58 = 16,938.54 : x
  2. Step 2: Convert to fraction form
    36,678.96/55,009.58 = 16,938.54/x
  3. Step 3: Cross multiply
    36,678.96x = 55,009.58 × 16,938.54
  4. Step 4: Simplify right side
    36,678.96x = 931,781,971.21
  5. Step 5: Solve for x
    x = 931,781,971.21/36,678.96
  6. Step 6: Final answer
    x = 25,403.72

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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.