Home / 30,279.08-41,767.86-18,176.34

Finding the Fourth Proportional to 30,279.08, 41,767.86 and 18,176.34

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Solution

The fourth proportional to 30,279.08, 41,767.86 and 18,176.34 is: 25,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.08 : 41,767.86 = 18,176.34 : x
  2. Step 2: Convert to fraction form
    30,279.08/41,767.86 = 18,176.34/x
  3. Step 3: Cross multiply
    30,279.08x = 41,767.86 × 18,176.34
  4. Step 4: Simplify right side
    30,279.08x = 759,186,824.43
  5. Step 5: Solve for x
    x = 759,186,824.43/30,279.08
  6. Step 6: Final answer
    x = 25,072.98

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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.