Home / 34,316.75-51,378.03-21,805.76

Finding the Fourth Proportional to 34,316.75, 51,378.03 and 21,805.76

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Solution

The fourth proportional to 34,316.75, 51,378.03 and 21,805.76 is: 32,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,316.75 : 51,378.03 = 21,805.76 : x
  2. Step 2: Convert to fraction form
    34,316.75/51,378.03 = 21,805.76/x
  3. Step 3: Cross multiply
    34,316.75x = 51,378.03 × 21,805.76
  4. Step 4: Simplify right side
    34,316.75x = 1,120,336,991.45
  5. Step 5: Solve for x
    x = 1,120,336,991.45/34,316.75
  6. Step 6: Final answer
    x = 32,646.94

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1.5x scale

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.