Home / 51,487.47-71,049.27-28,822.64

Finding the Fourth Proportional to 51,487.47, 71,049.27 and 28,822.64

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Solution

The fourth proportional to 51,487.47, 71,049.27 and 28,822.64 is: 39,773.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,487.47 : 71,049.27 = 28,822.64 : x
  2. Step 2: Convert to fraction form
    51,487.47/71,049.27 = 28,822.64/x
  3. Step 3: Cross multiply
    51,487.47x = 71,049.27 × 28,822.64
  4. Step 4: Simplify right side
    51,487.47x = 2,047,827,176.23
  5. Step 5: Solve for x
    x = 2,047,827,176.23/51,487.47
  6. Step 6: Final answer
    x = 39,773.31

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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.