Home / 49,623.18-68,490.80-30,519.37

Finding the Fourth Proportional to 49,623.18, 68,490.80 and 30,519.37

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Solution

The fourth proportional to 49,623.18, 68,490.80 and 30,519.37 is: 42,123.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,623.18 : 68,490.80 = 30,519.37 : x
  2. Step 2: Convert to fraction form
    49,623.18/68,490.80 = 30,519.37/x
  3. Step 3: Cross multiply
    49,623.18x = 68,490.80 × 30,519.37
  4. Step 4: Simplify right side
    49,623.18x = 2,090,296,066.80
  5. Step 5: Solve for x
    x = 2,090,296,066.80/49,623.18
  6. Step 6: Final answer
    x = 42,123.38

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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.