Home / 43,536.15-65,253.20-20,113.38

Finding the Fourth Proportional to 43,536.15, 65,253.20 and 20,113.38

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Solution

The fourth proportional to 43,536.15, 65,253.20 and 20,113.38 is: 30,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,536.15 : 65,253.20 = 20,113.38 : x
  2. Step 2: Convert to fraction form
    43,536.15/65,253.20 = 20,113.38/x
  3. Step 3: Cross multiply
    43,536.15x = 65,253.20 × 20,113.38
  4. Step 4: Simplify right side
    43,536.15x = 1,312,462,307.25
  5. Step 5: Solve for x
    x = 1,312,462,307.25/43,536.15
  6. Step 6: Final answer
    x = 30,146.49

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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.