Home / 30,272.24-45,416.64-21,562.64

Finding the Fourth Proportional to 30,272.24, 45,416.64 and 21,562.64

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Solution

The fourth proportional to 30,272.24, 45,416.64 and 21,562.64 is: 32,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.24 : 45,416.64 = 21,562.64 : x
  2. Step 2: Convert to fraction form
    30,272.24/45,416.64 = 21,562.64/x
  3. Step 3: Cross multiply
    30,272.24x = 45,416.64 × 21,562.64
  4. Step 4: Simplify right side
    30,272.24x = 979,302,658.33
  5. Step 5: Solve for x
    x = 979,302,658.33/30,272.24
  6. Step 6: Final answer
    x = 32,349.86

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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.