Home / 36,683.76-55,023.12-16,978.08

Finding the Fourth Proportional to 36,683.76, 55,023.12 and 16,978.08

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Solution

The fourth proportional to 36,683.76, 55,023.12 and 16,978.08 is: 25,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,683.76 : 55,023.12 = 16,978.08 : x
  2. Step 2: Convert to fraction form
    36,683.76/55,023.12 = 16,978.08/x
  3. Step 3: Cross multiply
    36,683.76x = 55,023.12 × 16,978.08
  4. Step 4: Simplify right side
    36,683.76x = 934,186,933.21
  5. Step 5: Solve for x
    x = 934,186,933.21/36,683.76
  6. Step 6: Final answer
    x = 25,465.95

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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.