Home / 36,315.53-54,465.75-14,128.41

Finding the Fourth Proportional to 36,315.53, 54,465.75 and 14,128.41

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Solution

The fourth proportional to 36,315.53, 54,465.75 and 14,128.41 is: 21,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,315.53 : 54,465.75 = 14,128.41 : x
  2. Step 2: Convert to fraction form
    36,315.53/54,465.75 = 14,128.41/x
  3. Step 3: Cross multiply
    36,315.53x = 54,465.75 × 14,128.41
  4. Step 4: Simplify right side
    36,315.53x = 769,514,446.96
  5. Step 5: Solve for x
    x = 769,514,446.96/36,315.53
  6. Step 6: Final answer
    x = 21,189.68

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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.