Home / 30,900.36-46,350.25-11,178.75

Finding the Fourth Proportional to 30,900.36, 46,350.25 and 11,178.75

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Solution

The fourth proportional to 30,900.36, 46,350.25 and 11,178.75 is: 16,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,900.36 : 46,350.25 = 11,178.75 : x
  2. Step 2: Convert to fraction form
    30,900.36/46,350.25 = 11,178.75/x
  3. Step 3: Cross multiply
    30,900.36x = 46,350.25 × 11,178.75
  4. Step 4: Simplify right side
    30,900.36x = 518,137,857.19
  5. Step 5: Solve for x
    x = 518,137,857.19/30,900.36
  6. Step 6: Final answer
    x = 16,768.02

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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.