Home / 34,221.12-51,331.70-13,171.08

Finding the Fourth Proportional to 34,221.12, 51,331.70 and 13,171.08

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Solution

The fourth proportional to 34,221.12, 51,331.70 and 13,171.08 is: 19,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,221.12 : 51,331.70 = 13,171.08 : x
  2. Step 2: Convert to fraction form
    34,221.12/51,331.70 = 13,171.08/x
  3. Step 3: Cross multiply
    34,221.12x = 51,331.70 × 13,171.08
  4. Step 4: Simplify right side
    34,221.12x = 676,093,927.24
  5. Step 5: Solve for x
    x = 676,093,927.24/34,221.12
  6. Step 6: Final answer
    x = 19,756.63

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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.