Home / 29,537.81-40,739.14-18,928.43

Finding the Fourth Proportional to 29,537.81, 40,739.14 and 18,928.43

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Solution

The fourth proportional to 29,537.81, 40,739.14 and 18,928.43 is: 26,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,537.81 : 40,739.14 = 18,928.43 : x
  2. Step 2: Convert to fraction form
    29,537.81/40,739.14 = 18,928.43/x
  3. Step 3: Cross multiply
    29,537.81x = 40,739.14 × 18,928.43
  4. Step 4: Simplify right side
    29,537.81x = 771,127,959.75
  5. Step 5: Solve for x
    x = 771,127,959.75/29,537.81
  6. Step 6: Final answer
    x = 26,106.47

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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.