Home / 30,213.96-41,701.18-19,305.08

Finding the Fourth Proportional to 30,213.96, 41,701.18 and 19,305.08

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Solution

The fourth proportional to 30,213.96, 41,701.18 and 19,305.08 is: 26,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.96 : 41,701.18 = 19,305.08 : x
  2. Step 2: Convert to fraction form
    30,213.96/41,701.18 = 19,305.08/x
  3. Step 3: Cross multiply
    30,213.96x = 41,701.18 × 19,305.08
  4. Step 4: Simplify right side
    30,213.96x = 805,044,615.99
  5. Step 5: Solve for x
    x = 805,044,615.99/30,213.96
  6. Step 6: Final answer
    x = 26,644.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.