Home / 39,326.31-58,956.81-15,619.23

Finding the Fourth Proportional to 39,326.31, 58,956.81 and 15,619.23

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Solution

The fourth proportional to 39,326.31, 58,956.81 and 15,619.23 is: 23,415.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,326.31 : 58,956.81 = 15,619.23 : x
  2. Step 2: Convert to fraction form
    39,326.31/58,956.81 = 15,619.23/x
  3. Step 3: Cross multiply
    39,326.31x = 58,956.81 × 15,619.23
  4. Step 4: Simplify right side
    39,326.31x = 920,860,004.74
  5. Step 5: Solve for x
    x = 920,860,004.74/39,326.31
  6. Step 6: Final answer
    x = 23,415.88

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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.