Home / 51,516.70-77,281.42-18,230.10

Finding the Fourth Proportional to 51,516.70, 77,281.42 and 18,230.10

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Solution

The fourth proportional to 51,516.70, 77,281.42 and 18,230.10 is: 27,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.70 : 77,281.42 = 18,230.10 : x
  2. Step 2: Convert to fraction form
    51,516.70/77,281.42 = 18,230.10/x
  3. Step 3: Cross multiply
    51,516.70x = 77,281.42 × 18,230.10
  4. Step 4: Simplify right side
    51,516.70x = 1,408,848,014.74
  5. Step 5: Solve for x
    x = 1,408,848,014.74/51,516.70
  6. Step 6: Final answer
    x = 27,347.40

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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.