Home / 37,916.48-56,865-20,122.94

Finding the Fourth Proportional to 37,916.48, 56,865 and 20,122.94

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Solution

The fourth proportional to 37,916.48, 56,865 and 20,122.94 is: 30,179.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,916.48 : 56,865 = 20,122.94 : x
  2. Step 2: Convert to fraction form
    37,916.48/56,865 = 20,122.94/x
  3. Step 3: Cross multiply
    37,916.48x = 56,865 × 20,122.94
  4. Step 4: Simplify right side
    37,916.48x = 1,144,290,983.10
  5. Step 5: Solve for x
    x = 1,144,290,983.10/37,916.48
  6. Step 6: Final answer
    x = 30,179.25

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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.