Home / 20,324.62-30,434.82-14,075.74

Finding the Fourth Proportional to 20,324.62, 30,434.82 and 14,075.74

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Solution

The fourth proportional to 20,324.62, 30,434.82 and 14,075.74 is: 21,077.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.62 : 30,434.82 = 14,075.74 : x
  2. Step 2: Convert to fraction form
    20,324.62/30,434.82 = 14,075.74/x
  3. Step 3: Cross multiply
    20,324.62x = 30,434.82 × 14,075.74
  4. Step 4: Simplify right side
    20,324.62x = 428,392,613.27
  5. Step 5: Solve for x
    x = 428,392,613.27/20,324.62
  6. Step 6: Final answer
    x = 21,077.52

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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.