Home / 34,889.30-48,153.38-20,549.87

Finding the Fourth Proportional to 34,889.30, 48,153.38 and 20,549.87

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Solution

The fourth proportional to 34,889.30, 48,153.38 and 20,549.87 is: 28,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,889.30 : 48,153.38 = 20,549.87 : x
  2. Step 2: Convert to fraction form
    34,889.30/48,153.38 = 20,549.87/x
  3. Step 3: Cross multiply
    34,889.30x = 48,153.38 × 20,549.87
  4. Step 4: Simplify right side
    34,889.30x = 989,545,355.54
  5. Step 5: Solve for x
    x = 989,545,355.54/34,889.30
  6. Step 6: Final answer
    x = 28,362.43

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1.5x scale

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.