Home / 51,518.57-77,307.08-21,933.32

Finding the Fourth Proportional to 51,518.57, 77,307.08 and 21,933.32

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Solution

The fourth proportional to 51,518.57, 77,307.08 and 21,933.32 is: 32,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518.57 : 77,307.08 = 21,933.32 : x
  2. Step 2: Convert to fraction form
    51,518.57/77,307.08 = 21,933.32/x
  3. Step 3: Cross multiply
    51,518.57x = 77,307.08 × 21,933.32
  4. Step 4: Simplify right side
    51,518.57x = 1,695,600,427.70
  5. Step 5: Solve for x
    x = 1,695,600,427.70/51,518.57
  6. Step 6: Final answer
    x = 32,912.42

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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.