Home / 33,206.81-49,814.53-13,486.01

Finding the Fourth Proportional to 33,206.81, 49,814.53 and 13,486.01

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Solution

The fourth proportional to 33,206.81, 49,814.53 and 13,486.01 is: 20,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,206.81 : 49,814.53 = 13,486.01 : x
  2. Step 2: Convert to fraction form
    33,206.81/49,814.53 = 13,486.01/x
  3. Step 3: Cross multiply
    33,206.81x = 49,814.53 × 13,486.01
  4. Step 4: Simplify right side
    33,206.81x = 671,799,000.65
  5. Step 5: Solve for x
    x = 671,799,000.65/33,206.81
  6. Step 6: Final answer
    x = 20,230.76

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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.