Home / 30,356.97-45,549.54-11,630.76

Finding the Fourth Proportional to 30,356.97, 45,549.54 and 11,630.76

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Solution

The fourth proportional to 30,356.97, 45,549.54 and 11,630.76 is: 17,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356.97 : 45,549.54 = 11,630.76 : x
  2. Step 2: Convert to fraction form
    30,356.97/45,549.54 = 11,630.76/x
  3. Step 3: Cross multiply
    30,356.97x = 45,549.54 × 11,630.76
  4. Step 4: Simplify right side
    30,356.97x = 529,775,767.85
  5. Step 5: Solve for x
    x = 529,775,767.85/30,356.97
  6. Step 6: Final answer
    x = 17,451.54

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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.