Home / 39,781.56-59,585.94-38,675.64

Finding the Fourth Proportional to 39,781.56, 59,585.94 and 38,675.64

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Solution

The fourth proportional to 39,781.56, 59,585.94 and 38,675.64 is: 57,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,781.56 : 59,585.94 = 38,675.64 : x
  2. Step 2: Convert to fraction form
    39,781.56/59,585.94 = 38,675.64/x
  3. Step 3: Cross multiply
    39,781.56x = 59,585.94 × 38,675.64
  4. Step 4: Simplify right side
    39,781.56x = 2,304,524,364.50
  5. Step 5: Solve for x
    x = 2,304,524,364.50/39,781.56
  6. Step 6: Final answer
    x = 57,929.46

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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.