Home / 33,279.32-45,925.55-18,172.11

Finding the Fourth Proportional to 33,279.32, 45,925.55 and 18,172.11

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Solution

The fourth proportional to 33,279.32, 45,925.55 and 18,172.11 is: 25,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.32 : 45,925.55 = 18,172.11 : x
  2. Step 2: Convert to fraction form
    33,279.32/45,925.55 = 18,172.11/x
  3. Step 3: Cross multiply
    33,279.32x = 45,925.55 × 18,172.11
  4. Step 4: Simplify right side
    33,279.32x = 834,564,146.41
  5. Step 5: Solve for x
    x = 834,564,146.41/33,279.32
  6. Step 6: Final answer
    x = 25,077.56

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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.