Home / 33,279.75-45,928.95-18,378.63

Finding the Fourth Proportional to 33,279.75, 45,928.95 and 18,378.63

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Solution

The fourth proportional to 33,279.75, 45,928.95 and 18,378.63 is: 25,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.75 : 45,928.95 = 18,378.63 : x
  2. Step 2: Convert to fraction form
    33,279.75/45,928.95 = 18,378.63/x
  3. Step 3: Cross multiply
    33,279.75x = 45,928.95 × 18,378.63
  4. Step 4: Simplify right side
    33,279.75x = 844,111,178.34
  5. Step 5: Solve for x
    x = 844,111,178.34/33,279.75
  6. Step 6: Final answer
    x = 25,364.11

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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.