Home / 30,251.18-41,710.46-19,636.94

Finding the Fourth Proportional to 30,251.18, 41,710.46 and 19,636.94

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Solution

The fourth proportional to 30,251.18, 41,710.46 and 19,636.94 is: 27,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.18 : 41,710.46 = 19,636.94 : x
  2. Step 2: Convert to fraction form
    30,251.18/41,710.46 = 19,636.94/x
  3. Step 3: Cross multiply
    30,251.18x = 41,710.46 × 19,636.94
  4. Step 4: Simplify right side
    30,251.18x = 819,065,800.39
  5. Step 5: Solve for x
    x = 819,065,800.39/30,251.18
  6. Step 6: Final answer
    x = 27,075.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.