Home / 49,814.39-74,721.35-21,347.18

Finding the Fourth Proportional to 49,814.39, 74,721.35 and 21,347.18

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Solution

The fourth proportional to 49,814.39, 74,721.35 and 21,347.18 is: 32,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,814.39 : 74,721.35 = 21,347.18 : x
  2. Step 2: Convert to fraction form
    49,814.39/74,721.35 = 21,347.18/x
  3. Step 3: Cross multiply
    49,814.39x = 74,721.35 × 21,347.18
  4. Step 4: Simplify right side
    49,814.39x = 1,595,089,627.95
  5. Step 5: Solve for x
    x = 1,595,089,627.95/49,814.39
  6. Step 6: Final answer
    x = 32,020.66

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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.