Home / 33,387.18-46,075.59-18,278.88

Finding the Fourth Proportional to 33,387.18, 46,075.59 and 18,278.88

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Solution

The fourth proportional to 33,387.18, 46,075.59 and 18,278.88 is: 25,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,387.18 : 46,075.59 = 18,278.88 : x
  2. Step 2: Convert to fraction form
    33,387.18/46,075.59 = 18,278.88/x
  3. Step 3: Cross multiply
    33,387.18x = 46,075.59 × 18,278.88
  4. Step 4: Simplify right side
    33,387.18x = 842,210,180.54
  5. Step 5: Solve for x
    x = 842,210,180.54/33,387.18
  6. Step 6: Final answer
    x = 25,225.56

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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.