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Finding the Fourth Proportional to 61,313.43, 84,612.84 and 35,821.26

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Solution

The fourth proportional to 61,313.43, 84,612.84 and 35,821.26 is: 49,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,313.43 : 84,612.84 = 35,821.26 : x
  2. Step 2: Convert to fraction form
    61,313.43/84,612.84 = 35,821.26/x
  3. Step 3: Cross multiply
    61,313.43x = 84,612.84 × 35,821.26
  4. Step 4: Simplify right side
    61,313.43x = 3,030,938,540.98
  5. Step 5: Solve for x
    x = 3,030,938,540.98/61,313.43
  6. Step 6: Final answer
    x = 49,433.52

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1.5x scale

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.