Home / 36,494.20-54,741.30-20,913.40

Finding the Fourth Proportional to 36,494.20, 54,741.30 and 20,913.40

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Solution

The fourth proportional to 36,494.20, 54,741.30 and 20,913.40 is: 31,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,494.20 : 54,741.30 = 20,913.40 : x
  2. Step 2: Convert to fraction form
    36,494.20/54,741.30 = 20,913.40/x
  3. Step 3: Cross multiply
    36,494.20x = 54,741.30 × 20,913.40
  4. Step 4: Simplify right side
    36,494.20x = 1,144,826,703.42
  5. Step 5: Solve for x
    x = 1,144,826,703.42/36,494.20
  6. Step 6: Final answer
    x = 31,370.10

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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.