Home / 36,437.85-54,656.78-28,129.99

Finding the Fourth Proportional to 36,437.85, 54,656.78 and 28,129.99

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Solution

The fourth proportional to 36,437.85, 54,656.78 and 28,129.99 is: 42,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,437.85 : 54,656.78 = 28,129.99 : x
  2. Step 2: Convert to fraction form
    36,437.85/54,656.78 = 28,129.99/x
  3. Step 3: Cross multiply
    36,437.85x = 54,656.78 × 28,129.99
  4. Step 4: Simplify right side
    36,437.85x = 1,537,494,674.83
  5. Step 5: Solve for x
    x = 1,537,494,674.83/36,437.85
  6. Step 6: Final answer
    x = 42,194.99

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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.