Home / 34,278.99-51,422.63-12,087.82

Finding the Fourth Proportional to 34,278.99, 51,422.63 and 12,087.82

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Solution

The fourth proportional to 34,278.99, 51,422.63 and 12,087.82 is: 18,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.99 : 51,422.63 = 12,087.82 : x
  2. Step 2: Convert to fraction form
    34,278.99/51,422.63 = 12,087.82/x
  3. Step 3: Cross multiply
    34,278.99x = 51,422.63 × 12,087.82
  4. Step 4: Simplify right side
    34,278.99x = 621,587,495.37
  5. Step 5: Solve for x
    x = 621,587,495.37/34,278.99
  6. Step 6: Final answer
    x = 18,133.19

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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.