Home / 57,251.37-78,830.91-49,684.35

Finding the Fourth Proportional to 57,251.37, 78,830.91 and 49,684.35

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Solution

The fourth proportional to 57,251.37, 78,830.91 and 49,684.35 is: 68,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,251.37 : 78,830.91 = 49,684.35 : x
  2. Step 2: Convert to fraction form
    57,251.37/78,830.91 = 49,684.35/x
  3. Step 3: Cross multiply
    57,251.37x = 78,830.91 × 49,684.35
  4. Step 4: Simplify right side
    57,251.37x = 3,916,662,523.26
  5. Step 5: Solve for x
    x = 3,916,662,523.26/57,251.37
  6. Step 6: Final answer
    x = 68,411.68

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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.