Home / 36,943.90-55,421.28-13,568.51

Finding the Fourth Proportional to 36,943.90, 55,421.28 and 13,568.51

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Solution

The fourth proportional to 36,943.90, 55,421.28 and 13,568.51 is: 20,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,943.90 : 55,421.28 = 13,568.51 : x
  2. Step 2: Convert to fraction form
    36,943.90/55,421.28 = 13,568.51/x
  3. Step 3: Cross multiply
    36,943.90x = 55,421.28 × 13,568.51
  4. Step 4: Simplify right side
    36,943.90x = 751,984,330.45
  5. Step 5: Solve for x
    x = 751,984,330.45/36,943.90
  6. Step 6: Final answer
    x = 20,354.76

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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.