Home / 49,931.80-74,908.10-16,662.20

Finding the Fourth Proportional to 49,931.80, 74,908.10 and 16,662.20

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Solution

The fourth proportional to 49,931.80, 74,908.10 and 16,662.20 is: 24,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,931.80 : 74,908.10 = 16,662.20 : x
  2. Step 2: Convert to fraction form
    49,931.80/74,908.10 = 16,662.20/x
  3. Step 3: Cross multiply
    49,931.80x = 74,908.10 × 16,662.20
  4. Step 4: Simplify right side
    49,931.80x = 1,248,133,743.82
  5. Step 5: Solve for x
    x = 1,248,133,743.82/49,931.80
  6. Step 6: Final answer
    x = 24,996.77

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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.