Home / 30,940.05-46,415.34-12,210.29

Finding the Fourth Proportional to 30,940.05, 46,415.34 and 12,210.29

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Solution

The fourth proportional to 30,940.05, 46,415.34 and 12,210.29 is: 18,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940.05 : 46,415.34 = 12,210.29 : x
  2. Step 2: Convert to fraction form
    30,940.05/46,415.34 = 12,210.29/x
  3. Step 3: Cross multiply
    30,940.05x = 46,415.34 × 12,210.29
  4. Step 4: Simplify right side
    30,940.05x = 566,744,529.77
  5. Step 5: Solve for x
    x = 566,744,529.77/30,940.05
  6. Step 6: Final answer
    x = 18,317.51

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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.