Home / 49,034.12-67,666.44-28,891.84

Finding the Fourth Proportional to 49,034.12, 67,666.44 and 28,891.84

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Solution

The fourth proportional to 49,034.12, 67,666.44 and 28,891.84 is: 39,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,034.12 : 67,666.44 = 28,891.84 : x
  2. Step 2: Convert to fraction form
    49,034.12/67,666.44 = 28,891.84/x
  3. Step 3: Cross multiply
    49,034.12x = 67,666.44 × 28,891.84
  4. Step 4: Simplify right side
    49,034.12x = 1,955,007,957.85
  5. Step 5: Solve for x
    x = 1,955,007,957.85/49,034.12
  6. Step 6: Final answer
    x = 39,870.36

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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.