Home / 30,214.20-41,701.56-19,305.36

Finding the Fourth Proportional to 30,214.20, 41,701.56 and 19,305.36

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Solution

The fourth proportional to 30,214.20, 41,701.56 and 19,305.36 is: 26,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214.20 : 41,701.56 = 19,305.36 : x
  2. Step 2: Convert to fraction form
    30,214.20/41,701.56 = 19,305.36/x
  3. Step 3: Cross multiply
    30,214.20x = 41,701.56 × 19,305.36
  4. Step 4: Simplify right side
    30,214.20x = 805,063,628.36
  5. Step 5: Solve for x
    x = 805,063,628.36/30,214.20
  6. Step 6: Final answer
    x = 26,645.21

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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.