Home / 36,501.12-50,370-20,585.28

Finding the Fourth Proportional to 36,501.12, 50,370 and 20,585.28

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Solution

The fourth proportional to 36,501.12, 50,370 and 20,585.28 is: 28,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,501.12 : 50,370 = 20,585.28 : x
  2. Step 2: Convert to fraction form
    36,501.12/50,370 = 20,585.28/x
  3. Step 3: Cross multiply
    36,501.12x = 50,370 × 20,585.28
  4. Step 4: Simplify right side
    36,501.12x = 1,036,880,553.60
  5. Step 5: Solve for x
    x = 1,036,880,553.60/36,501.12
  6. Step 6: Final answer
    x = 28,406.81

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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.