Home / 51,977.00-77,956.98-18,690.86

Finding the Fourth Proportional to 51,977.00, 77,956.98 and 18,690.86

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Solution

The fourth proportional to 51,977.00, 77,956.98 and 18,690.86 is: 28,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.00 : 77,956.98 = 18,690.86 : x
  2. Step 2: Convert to fraction form
    51,977.00/77,956.98 = 18,690.86/x
  3. Step 3: Cross multiply
    51,977.00x = 77,956.98 × 18,690.86
  4. Step 4: Simplify right side
    51,977.00x = 1,457,082,609.42
  5. Step 5: Solve for x
    x = 1,457,082,609.42/51,977.00
  6. Step 6: Final answer
    x = 28,033.22

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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.