Home / 40,234.72-55,523.08-22,329.60

Finding the Fourth Proportional to 40,234.72, 55,523.08 and 22,329.60

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Solution

The fourth proportional to 40,234.72, 55,523.08 and 22,329.60 is: 30,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.72 : 55,523.08 = 22,329.60 : x
  2. Step 2: Convert to fraction form
    40,234.72/55,523.08 = 22,329.60/x
  3. Step 3: Cross multiply
    40,234.72x = 55,523.08 × 22,329.60
  4. Step 4: Simplify right side
    40,234.72x = 1,239,808,167.17
  5. Step 5: Solve for x
    x = 1,239,808,167.17/40,234.72
  6. Step 6: Final answer
    x = 30,814.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.