Home / 35,792.61-49,401.05-20,685.90

Finding the Fourth Proportional to 35,792.61, 49,401.05 and 20,685.90

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Solution

The fourth proportional to 35,792.61, 49,401.05 and 20,685.90 is: 28,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,792.61 : 49,401.05 = 20,685.90 : x
  2. Step 2: Convert to fraction form
    35,792.61/49,401.05 = 20,685.90/x
  3. Step 3: Cross multiply
    35,792.61x = 49,401.05 × 20,685.90
  4. Step 4: Simplify right side
    35,792.61x = 1,021,905,076.77
  5. Step 5: Solve for x
    x = 1,021,905,076.77/35,792.61
  6. Step 6: Final answer
    x = 28,550.73

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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.