Home / 52,227.44-78,341.16-18,939.95

Finding the Fourth Proportional to 52,227.44, 78,341.16 and 18,939.95

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Solution

The fourth proportional to 52,227.44, 78,341.16 and 18,939.95 is: 28,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,227.44 : 78,341.16 = 18,939.95 : x
  2. Step 2: Convert to fraction form
    52,227.44/78,341.16 = 18,939.95/x
  3. Step 3: Cross multiply
    52,227.44x = 78,341.16 × 18,939.95
  4. Step 4: Simplify right side
    52,227.44x = 1,483,777,653.34
  5. Step 5: Solve for x
    x = 1,483,777,653.34/52,227.44
  6. Step 6: Final answer
    x = 28,409.93

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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.