Home / 34,148.20-51,227.70-13,087.40

Finding the Fourth Proportional to 34,148.20, 51,227.70 and 13,087.40

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Solution

The fourth proportional to 34,148.20, 51,227.70 and 13,087.40 is: 19,633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,148.20 : 51,227.70 = 13,087.40 : x
  2. Step 2: Convert to fraction form
    34,148.20/51,227.70 = 13,087.40/x
  3. Step 3: Cross multiply
    34,148.20x = 51,227.70 × 13,087.40
  4. Step 4: Simplify right side
    34,148.20x = 670,437,400.98
  5. Step 5: Solve for x
    x = 670,437,400.98/34,148.20
  6. Step 6: Final answer
    x = 19,633.17

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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.