Home / 33,312.40-45,976.14-19,164.34

Finding the Fourth Proportional to 33,312.40, 45,976.14 and 19,164.34

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Solution

The fourth proportional to 33,312.40, 45,976.14 and 19,164.34 is: 26,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,312.40 : 45,976.14 = 19,164.34 : x
  2. Step 2: Convert to fraction form
    33,312.40/45,976.14 = 19,164.34/x
  3. Step 3: Cross multiply
    33,312.40x = 45,976.14 × 19,164.34
  4. Step 4: Simplify right side
    33,312.40x = 881,102,378.85
  5. Step 5: Solve for x
    x = 881,102,378.85/33,312.40
  6. Step 6: Final answer
    x = 26,449.68

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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.