Home / 36,139.24-49,877.94-21,989.62

Finding the Fourth Proportional to 36,139.24, 49,877.94 and 21,989.62

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Solution

The fourth proportional to 36,139.24, 49,877.94 and 21,989.62 is: 30,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.24 : 49,877.94 = 21,989.62 : x
  2. Step 2: Convert to fraction form
    36,139.24/49,877.94 = 21,989.62/x
  3. Step 3: Cross multiply
    36,139.24x = 49,877.94 × 21,989.62
  4. Step 4: Simplify right side
    36,139.24x = 1,096,796,946.98
  5. Step 5: Solve for x
    x = 1,096,796,946.98/36,139.24
  6. Step 6: Final answer
    x = 30,349.20

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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.