Home / 30,369.18-41,907.78-16,756.77

Finding the Fourth Proportional to 30,369.18, 41,907.78 and 16,756.77

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Solution

The fourth proportional to 30,369.18, 41,907.78 and 16,756.77 is: 23,123.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.18 : 41,907.78 = 16,756.77 : x
  2. Step 2: Convert to fraction form
    30,369.18/41,907.78 = 16,756.77/x
  3. Step 3: Cross multiply
    30,369.18x = 41,907.78 × 16,756.77
  4. Step 4: Simplify right side
    30,369.18x = 702,239,187.82
  5. Step 5: Solve for x
    x = 702,239,187.82/30,369.18
  6. Step 6: Final answer
    x = 23,123.42

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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.