Home / 33,021.90-49,536.45-31,985.10

Finding the Fourth Proportional to 33,021.90, 49,536.45 and 31,985.10

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Solution

The fourth proportional to 33,021.90, 49,536.45 and 31,985.10 is: 47,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,021.90 : 49,536.45 = 31,985.10 : x
  2. Step 2: Convert to fraction form
    33,021.90/49,536.45 = 31,985.10/x
  3. Step 3: Cross multiply
    33,021.90x = 49,536.45 × 31,985.10
  4. Step 4: Simplify right side
    33,021.90x = 1,584,428,306.90
  5. Step 5: Solve for x
    x = 1,584,428,306.90/33,021.90
  6. Step 6: Final answer
    x = 47,981.14

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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.