Home / 36,299.61-54,463.50-14,128.56

Finding the Fourth Proportional to 36,299.61, 54,463.50 and 14,128.56

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Solution

The fourth proportional to 36,299.61, 54,463.50 and 14,128.56 is: 21,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,299.61 : 54,463.50 = 14,128.56 : x
  2. Step 2: Convert to fraction form
    36,299.61/54,463.50 = 14,128.56/x
  3. Step 3: Cross multiply
    36,299.61x = 54,463.50 × 14,128.56
  4. Step 4: Simplify right side
    36,299.61x = 769,490,827.56
  5. Step 5: Solve for x
    x = 769,490,827.56/36,299.61
  6. Step 6: Final answer
    x = 21,198.32

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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.