Home / 51,602.54-77,438.33-18,770.54

Finding the Fourth Proportional to 51,602.54, 77,438.33 and 18,770.54

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Solution

The fourth proportional to 51,602.54, 77,438.33 and 18,770.54 is: 28,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,602.54 : 77,438.33 = 18,770.54 : x
  2. Step 2: Convert to fraction form
    51,602.54/77,438.33 = 18,770.54/x
  3. Step 3: Cross multiply
    51,602.54x = 77,438.33 × 18,770.54
  4. Step 4: Simplify right side
    51,602.54x = 1,453,559,270.80
  5. Step 5: Solve for x
    x = 1,453,559,270.80/51,602.54
  6. Step 6: Final answer
    x = 28,168.37

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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.