Home / 30,839.15-46,272.81-16,778.10

Finding the Fourth Proportional to 30,839.15, 46,272.81 and 16,778.10

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Solution

The fourth proportional to 30,839.15, 46,272.81 and 16,778.10 is: 25,174.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.15 : 46,272.81 = 16,778.10 : x
  2. Step 2: Convert to fraction form
    30,839.15/46,272.81 = 16,778.10/x
  3. Step 3: Cross multiply
    30,839.15x = 46,272.81 × 16,778.10
  4. Step 4: Simplify right side
    30,839.15x = 776,369,833.46
  5. Step 5: Solve for x
    x = 776,369,833.46/30,839.15
  6. Step 6: Final answer
    x = 25,174.82

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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.