Home / 35,755.12-49,334.88-21,608.76

Finding the Fourth Proportional to 35,755.12, 49,334.88 and 21,608.76

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Solution

The fourth proportional to 35,755.12, 49,334.88 and 21,608.76 is: 29,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,755.12 : 49,334.88 = 21,608.76 : x
  2. Step 2: Convert to fraction form
    35,755.12/49,334.88 = 21,608.76/x
  3. Step 3: Cross multiply
    35,755.12x = 49,334.88 × 21,608.76
  4. Step 4: Simplify right side
    35,755.12x = 1,066,065,581.55
  5. Step 5: Solve for x
    x = 1,066,065,581.55/35,755.12
  6. Step 6: Final answer
    x = 29,815.75

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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.