Home / 52,618.42-78,866.34-19,313.38

Finding the Fourth Proportional to 52,618.42, 78,866.34 and 19,313.38

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Solution

The fourth proportional to 52,618.42, 78,866.34 and 19,313.38 is: 28,947.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,618.42 : 78,866.34 = 19,313.38 : x
  2. Step 2: Convert to fraction form
    52,618.42/78,866.34 = 19,313.38/x
  3. Step 3: Cross multiply
    52,618.42x = 78,866.34 × 19,313.38
  4. Step 4: Simplify right side
    52,618.42x = 1,523,175,593.63
  5. Step 5: Solve for x
    x = 1,523,175,593.63/52,618.42
  6. Step 6: Final answer
    x = 28,947.57

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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.