Home / 37,726.12-52,061.87-20,731.42

Finding the Fourth Proportional to 37,726.12, 52,061.87 and 20,731.42

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Solution

The fourth proportional to 37,726.12, 52,061.87 and 20,731.42 is: 28,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,726.12 : 52,061.87 = 20,731.42 : x
  2. Step 2: Convert to fraction form
    37,726.12/52,061.87 = 20,731.42/x
  3. Step 3: Cross multiply
    37,726.12x = 52,061.87 × 20,731.42
  4. Step 4: Simplify right side
    37,726.12x = 1,079,316,128.99
  5. Step 5: Solve for x
    x = 1,079,316,128.99/37,726.12
  6. Step 6: Final answer
    x = 28,609.26

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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.