Home / 51,913.52-71,641.32-30,692.60

Finding the Fourth Proportional to 51,913.52, 71,641.32 and 30,692.60

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Solution

The fourth proportional to 51,913.52, 71,641.32 and 30,692.60 is: 42,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,913.52 : 71,641.32 = 30,692.60 : x
  2. Step 2: Convert to fraction form
    51,913.52/71,641.32 = 30,692.60/x
  3. Step 3: Cross multiply
    51,913.52x = 71,641.32 × 30,692.60
  4. Step 4: Simplify right side
    51,913.52x = 2,198,858,378.23
  5. Step 5: Solve for x
    x = 2,198,858,378.23/51,913.52
  6. Step 6: Final answer
    x = 42,356.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.