Home / 54,401.26-81,552.66-19,332.72

Finding the Fourth Proportional to 54,401.26, 81,552.66 and 19,332.72

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Solution

The fourth proportional to 54,401.26, 81,552.66 and 19,332.72 is: 28,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.26 : 81,552.66 = 19,332.72 : x
  2. Step 2: Convert to fraction form
    54,401.26/81,552.66 = 19,332.72/x
  3. Step 3: Cross multiply
    54,401.26x = 81,552.66 × 19,332.72
  4. Step 4: Simplify right side
    54,401.26x = 1,576,634,741.04
  5. Step 5: Solve for x
    x = 1,576,634,741.04/54,401.26
  6. Step 6: Final answer
    x = 28,981.59

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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.