Home / 36,342.28-54,462.30-28,913.68

Finding the Fourth Proportional to 36,342.28, 54,462.30 and 28,913.68

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Solution

The fourth proportional to 36,342.28, 54,462.30 and 28,913.68 is: 43,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,342.28 : 54,462.30 = 28,913.68 : x
  2. Step 2: Convert to fraction form
    36,342.28/54,462.30 = 28,913.68/x
  3. Step 3: Cross multiply
    36,342.28x = 54,462.30 × 28,913.68
  4. Step 4: Simplify right side
    36,342.28x = 1,574,705,514.26
  5. Step 5: Solve for x
    x = 1,574,705,514.26/36,342.28
  6. Step 6: Final answer
    x = 43,329.85

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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.