Home / 36,445.20-54,595.28-28,961.55

Finding the Fourth Proportional to 36,445.20, 54,595.28 and 28,961.55

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Solution

The fourth proportional to 36,445.20, 54,595.28 and 28,961.55 is: 43,384.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,445.20 : 54,595.28 = 28,961.55 : x
  2. Step 2: Convert to fraction form
    36,445.20/54,595.28 = 28,961.55/x
  3. Step 3: Cross multiply
    36,445.20x = 54,595.28 × 28,961.55
  4. Step 4: Simplify right side
    36,445.20x = 1,581,163,786.68
  5. Step 5: Solve for x
    x = 1,581,163,786.68/36,445.20
  6. Step 6: Final answer
    x = 43,384.69

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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.