Home / 39,093,039.75-53,948,401.47-21,689,343.45

Finding the Fourth Proportional to 39,093,039.75, 53,948,401.47 and 21,689,343.45

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Solution

The fourth proportional to 39,093,039.75, 53,948,401.47 and 21,689,343.45 is: 29,931,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,093,039.75 : 53,948,401.47 = 21,689,343.45 : x
  2. Step 2: Convert to fraction form
    39,093,039.75/53,948,401.47 = 21,689,343.45/x
  3. Step 3: Cross multiply
    39,093,039.75x = 53,948,401.47 × 21,689,343.45
  4. Step 4: Simplify right side
    39,093,039.75x = 1,170,105,408,061,314.75
  5. Step 5: Solve for x
    x = 1,170,105,408,061,314.75/39,093,039.75
  6. Step 6: Final answer
    x = 29,931,297.63

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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.