Home / 51,977.36-77,965.87-12,534.47

Finding the Fourth Proportional to 51,977.36, 77,965.87 and 12,534.47

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Solution

The fourth proportional to 51,977.36, 77,965.87 and 12,534.47 is: 18,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.36 : 77,965.87 = 12,534.47 : x
  2. Step 2: Convert to fraction form
    51,977.36/77,965.87 = 12,534.47/x
  3. Step 3: Cross multiply
    51,977.36x = 77,965.87 × 12,534.47
  4. Step 4: Simplify right side
    51,977.36x = 977,260,937.27
  5. Step 5: Solve for x
    x = 977,260,937.27/51,977.36
  6. Step 6: Final answer
    x = 18,801.67

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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.