Home / 30,185.19-41,655.42-16,756.47

Finding the Fourth Proportional to 30,185.19, 41,655.42 and 16,756.47

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Solution

The fourth proportional to 30,185.19, 41,655.42 and 16,756.47 is: 23,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.19 : 41,655.42 = 16,756.47 : x
  2. Step 2: Convert to fraction form
    30,185.19/41,655.42 = 16,756.47/x
  3. Step 3: Cross multiply
    30,185.19x = 41,655.42 × 16,756.47
  4. Step 4: Simplify right side
    30,185.19x = 697,997,795.57
  5. Step 5: Solve for x
    x = 697,997,795.57/30,185.19
  6. Step 6: Final answer
    x = 23,123.85

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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.