Home / 51,986.61-71,741.16-28,112.94

Finding the Fourth Proportional to 51,986.61, 71,741.16 and 28,112.94

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Solution

The fourth proportional to 51,986.61, 71,741.16 and 28,112.94 is: 38,795.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,986.61 : 71,741.16 = 28,112.94 : x
  2. Step 2: Convert to fraction form
    51,986.61/71,741.16 = 28,112.94/x
  3. Step 3: Cross multiply
    51,986.61x = 71,741.16 × 28,112.94
  4. Step 4: Simplify right side
    51,986.61x = 2,016,854,926.61
  5. Step 5: Solve for x
    x = 2,016,854,926.61/51,986.61
  6. Step 6: Final answer
    x = 38,795.66

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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.