Home / 49,864.20-74,666.70-39,409.80

Finding the Fourth Proportional to 49,864.20, 74,666.70 and 39,409.80

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Solution

The fourth proportional to 49,864.20, 74,666.70 and 39,409.80 is: 59,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,864.20 : 74,666.70 = 39,409.80 : x
  2. Step 2: Convert to fraction form
    49,864.20/74,666.70 = 39,409.80/x
  3. Step 3: Cross multiply
    49,864.20x = 74,666.70 × 39,409.80
  4. Step 4: Simplify right side
    49,864.20x = 2,942,599,713.66
  5. Step 5: Solve for x
    x = 2,942,599,713.66/49,864.20
  6. Step 6: Final answer
    x = 59,012.27

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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.