Home / 30,192.72-45,207-17,694.32

Finding the Fourth Proportional to 30,192.72, 45,207 and 17,694.32

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Solution

The fourth proportional to 30,192.72, 45,207 and 17,694.32 is: 26,493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192.72 : 45,207 = 17,694.32 : x
  2. Step 2: Convert to fraction form
    30,192.72/45,207 = 17,694.32/x
  3. Step 3: Cross multiply
    30,192.72x = 45,207 × 17,694.32
  4. Step 4: Simplify right side
    30,192.72x = 799,907,124.24
  5. Step 5: Solve for x
    x = 799,907,124.24/30,192.72
  6. Step 6: Final answer
    x = 26,493.38

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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.