Home / 30,329.98-45,437.56-17,191.58

Finding the Fourth Proportional to 30,329.98, 45,437.56 and 17,191.58

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Solution

The fourth proportional to 30,329.98, 45,437.56 and 17,191.58 is: 25,754.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329.98 : 45,437.56 = 17,191.58 : x
  2. Step 2: Convert to fraction form
    30,329.98/45,437.56 = 17,191.58/x
  3. Step 3: Cross multiply
    30,329.98x = 45,437.56 × 17,191.58
  4. Step 4: Simplify right side
    30,329.98x = 781,143,177.58
  5. Step 5: Solve for x
    x = 781,143,177.58/30,329.98
  6. Step 6: Final answer
    x = 25,754.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.