Home / 51,977.52-77,965.60-12,534.34

Finding the Fourth Proportional to 51,977.52, 77,965.60 and 12,534.34

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Solution

The fourth proportional to 51,977.52, 77,965.60 and 12,534.34 is: 18,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.52 : 77,965.60 = 12,534.34 : x
  2. Step 2: Convert to fraction form
    51,977.52/77,965.60 = 12,534.34/x
  3. Step 3: Cross multiply
    51,977.52x = 77,965.60 × 12,534.34
  4. Step 4: Simplify right side
    51,977.52x = 977,247,338.70
  5. Step 5: Solve for x
    x = 977,247,338.70/51,977.52
  6. Step 6: Final answer
    x = 18,801.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.