Home / 31,913.48-44,050.26-18,488

Finding the Fourth Proportional to 31,913.48, 44,050.26 and 18,488

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Solution

The fourth proportional to 31,913.48, 44,050.26 and 18,488 is: 25,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,913.48 : 44,050.26 = 18,488 : x
  2. Step 2: Convert to fraction form
    31,913.48/44,050.26 = 18,488/x
  3. Step 3: Cross multiply
    31,913.48x = 44,050.26 × 18,488
  4. Step 4: Simplify right side
    31,913.48x = 814,401,206.88
  5. Step 5: Solve for x
    x = 814,401,206.88/31,913.48
  6. Step 6: Final answer
    x = 25,519.03

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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.