Home / 51,491.47-71,054.79-28,826.64

Finding the Fourth Proportional to 51,491.47, 71,054.79 and 28,826.64

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Solution

The fourth proportional to 51,491.47, 71,054.79 and 28,826.64 is: 39,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,491.47 : 71,054.79 = 28,826.64 : x
  2. Step 2: Convert to fraction form
    51,491.47/71,054.79 = 28,826.64/x
  3. Step 3: Cross multiply
    51,491.47x = 71,054.79 × 28,826.64
  4. Step 4: Simplify right side
    51,491.47x = 2,048,270,851.61
  5. Step 5: Solve for x
    x = 2,048,270,851.61/51,491.47
  6. Step 6: Final answer
    x = 39,778.84

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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.