Home / 21,043.42-31,571.96-14,051.86

Finding the Fourth Proportional to 21,043.42, 31,571.96 and 14,051.86

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Solution

The fourth proportional to 21,043.42, 31,571.96 and 14,051.86 is: 21,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,043.42 : 31,571.96 = 14,051.86 : x
  2. Step 2: Convert to fraction form
    21,043.42/31,571.96 = 14,051.86/x
  3. Step 3: Cross multiply
    21,043.42x = 31,571.96 × 14,051.86
  4. Step 4: Simplify right side
    21,043.42x = 443,644,612.66
  5. Step 5: Solve for x
    x = 443,644,612.66/21,043.42
  6. Step 6: Final answer
    x = 21,082.35

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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.