Home / 30,346.29-45,519.44-19,955.61

Finding the Fourth Proportional to 30,346.29, 45,519.44 and 19,955.61

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Solution

The fourth proportional to 30,346.29, 45,519.44 and 19,955.61 is: 29,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346.29 : 45,519.44 = 19,955.61 : x
  2. Step 2: Convert to fraction form
    30,346.29/45,519.44 = 19,955.61/x
  3. Step 3: Cross multiply
    30,346.29x = 45,519.44 × 19,955.61
  4. Step 4: Simplify right side
    30,346.29x = 908,368,092.28
  5. Step 5: Solve for x
    x = 908,368,092.28/30,346.29
  6. Step 6: Final answer
    x = 29,933.42

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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.