Home / 35,285.85-52,911.77-20,499

Finding the Fourth Proportional to 35,285.85, 52,911.77 and 20,499

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Solution

The fourth proportional to 35,285.85, 52,911.77 and 20,499 is: 30,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,285.85 : 52,911.77 = 20,499 : x
  2. Step 2: Convert to fraction form
    35,285.85/52,911.77 = 20,499/x
  3. Step 3: Cross multiply
    35,285.85x = 52,911.77 × 20,499
  4. Step 4: Simplify right side
    35,285.85x = 1,084,638,270.74
  5. Step 5: Solve for x
    x = 1,084,638,270.74/35,285.85
  6. Step 6: Final answer
    x = 30,738.62

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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.