Home / 30,482.88-42,067.08-17,053.56

Finding the Fourth Proportional to 30,482.88, 42,067.08 and 17,053.56

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Solution

The fourth proportional to 30,482.88, 42,067.08 and 17,053.56 is: 23,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.88 : 42,067.08 = 17,053.56 : x
  2. Step 2: Convert to fraction form
    30,482.88/42,067.08 = 17,053.56/x
  3. Step 3: Cross multiply
    30,482.88x = 42,067.08 × 17,053.56
  4. Step 4: Simplify right side
    30,482.88x = 717,393,472.80
  5. Step 5: Solve for x
    x = 717,393,472.80/30,482.88
  6. Step 6: Final answer
    x = 23,534.31

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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.