Home / 49,288.23-73,984.95-21,222.18

Finding the Fourth Proportional to 49,288.23, 73,984.95 and 21,222.18

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Solution

The fourth proportional to 49,288.23, 73,984.95 and 21,222.18 is: 31,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,288.23 : 73,984.95 = 21,222.18 : x
  2. Step 2: Convert to fraction form
    49,288.23/73,984.95 = 21,222.18/x
  3. Step 3: Cross multiply
    49,288.23x = 73,984.95 × 21,222.18
  4. Step 4: Simplify right side
    49,288.23x = 1,570,121,926.19
  5. Step 5: Solve for x
    x = 1,570,121,926.19/49,288.23
  6. Step 6: Final answer
    x = 31,855.92

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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.