Home / 36,419.10-54,630.45-18,923.10

Finding the Fourth Proportional to 36,419.10, 54,630.45 and 18,923.10

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Solution

The fourth proportional to 36,419.10, 54,630.45 and 18,923.10 is: 28,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.10 : 54,630.45 = 18,923.10 : x
  2. Step 2: Convert to fraction form
    36,419.10/54,630.45 = 18,923.10/x
  3. Step 3: Cross multiply
    36,419.10x = 54,630.45 × 18,923.10
  4. Step 4: Simplify right side
    36,419.10x = 1,033,777,468.40
  5. Step 5: Solve for x
    x = 1,033,777,468.40/36,419.10
  6. Step 6: Final answer
    x = 28,385.59

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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.