Home / 51,458.65-71,016.35-28,796.33

Finding the Fourth Proportional to 51,458.65, 71,016.35 and 28,796.33

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Solution

The fourth proportional to 51,458.65, 71,016.35 and 28,796.33 is: 39,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,458.65 : 71,016.35 = 28,796.33 : x
  2. Step 2: Convert to fraction form
    51,458.65/71,016.35 = 28,796.33/x
  3. Step 3: Cross multiply
    51,458.65x = 71,016.35 × 28,796.33
  4. Step 4: Simplify right side
    51,458.65x = 2,045,010,283.55
  5. Step 5: Solve for x
    x = 2,045,010,283.55/51,458.65
  6. Step 6: Final answer
    x = 39,740.85

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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.