Home / 30,767.85-42,460.52-17,338.37

Finding the Fourth Proportional to 30,767.85, 42,460.52 and 17,338.37

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Solution

The fourth proportional to 30,767.85, 42,460.52 and 17,338.37 is: 23,927.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767.85 : 42,460.52 = 17,338.37 : x
  2. Step 2: Convert to fraction form
    30,767.85/42,460.52 = 17,338.37/x
  3. Step 3: Cross multiply
    30,767.85x = 42,460.52 × 17,338.37
  4. Step 4: Simplify right side
    30,767.85x = 736,195,907.16
  5. Step 5: Solve for x
    x = 736,195,907.16/30,767.85
  6. Step 6: Final answer
    x = 23,927.44

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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.