Home / 30,186.60-45,279.90-25,348.20

Finding the Fourth Proportional to 30,186.60, 45,279.90 and 25,348.20

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Solution

The fourth proportional to 30,186.60, 45,279.90 and 25,348.20 is: 38,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.60 : 45,279.90 = 25,348.20 : x
  2. Step 2: Convert to fraction form
    30,186.60/45,279.90 = 25,348.20/x
  3. Step 3: Cross multiply
    30,186.60x = 45,279.90 × 25,348.20
  4. Step 4: Simplify right side
    30,186.60x = 1,147,763,961.18
  5. Step 5: Solve for x
    x = 1,147,763,961.18/30,186.60
  6. Step 6: Final answer
    x = 38,022.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.