Home / 31,928.17-44,060.88-18,507.21

Finding the Fourth Proportional to 31,928.17, 44,060.88 and 18,507.21

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Solution

The fourth proportional to 31,928.17, 44,060.88 and 18,507.21 is: 25,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,928.17 : 44,060.88 = 18,507.21 : x
  2. Step 2: Convert to fraction form
    31,928.17/44,060.88 = 18,507.21/x
  3. Step 3: Cross multiply
    31,928.17x = 44,060.88 × 18,507.21
  4. Step 4: Simplify right side
    31,928.17x = 815,443,961.01
  5. Step 5: Solve for x
    x = 815,443,961.01/31,928.17
  6. Step 6: Final answer
    x = 25,539.96

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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.