Home / 31,087.44-42,897.96-17,654.16

Finding the Fourth Proportional to 31,087.44, 42,897.96 and 17,654.16

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Solution

The fourth proportional to 31,087.44, 42,897.96 and 17,654.16 is: 24,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,087.44 : 42,897.96 = 17,654.16 : x
  2. Step 2: Convert to fraction form
    31,087.44/42,897.96 = 17,654.16/x
  3. Step 3: Cross multiply
    31,087.44x = 42,897.96 × 17,654.16
  4. Step 4: Simplify right side
    31,087.44x = 757,327,449.51
  5. Step 5: Solve for x
    x = 757,327,449.51/31,087.44
  6. Step 6: Final answer
    x = 24,361.20

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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.