Home / 49,206.12-73,809.60-14,145.80

Finding the Fourth Proportional to 49,206.12, 73,809.60 and 14,145.80

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Solution

The fourth proportional to 49,206.12, 73,809.60 and 14,145.80 is: 21,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,206.12 : 73,809.60 = 14,145.80 : x
  2. Step 2: Convert to fraction form
    49,206.12/73,809.60 = 14,145.80/x
  3. Step 3: Cross multiply
    49,206.12x = 73,809.60 × 14,145.80
  4. Step 4: Simplify right side
    49,206.12x = 1,044,095,839.68
  5. Step 5: Solve for x
    x = 1,044,095,839.68/49,206.12
  6. Step 6: Final answer
    x = 21,218.82

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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.