Home / 32,961.29-45,507.53-21,650.86

Finding the Fourth Proportional to 32,961.29, 45,507.53 and 21,650.86

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Solution

The fourth proportional to 32,961.29, 45,507.53 and 21,650.86 is: 29,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,961.29 : 45,507.53 = 21,650.86 : x
  2. Step 2: Convert to fraction form
    32,961.29/45,507.53 = 21,650.86/x
  3. Step 3: Cross multiply
    32,961.29x = 45,507.53 × 21,650.86
  4. Step 4: Simplify right side
    32,961.29x = 985,276,825.18
  5. Step 5: Solve for x
    x = 985,276,825.18/32,961.29
  6. Step 6: Final answer
    x = 29,891.94

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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.