Home / 35,277.67-48,674.10-21,120.49

Finding the Fourth Proportional to 35,277.67, 48,674.10 and 21,120.49

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Solution

The fourth proportional to 35,277.67, 48,674.10 and 21,120.49 is: 29,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,277.67 : 48,674.10 = 21,120.49 : x
  2. Step 2: Convert to fraction form
    35,277.67/48,674.10 = 21,120.49/x
  3. Step 3: Cross multiply
    35,277.67x = 48,674.10 × 21,120.49
  4. Step 4: Simplify right side
    35,277.67x = 1,028,020,842.31
  5. Step 5: Solve for x
    x = 1,028,020,842.31/35,277.67
  6. Step 6: Final answer
    x = 29,140.84

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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.