Home / 58,623.64-87,936.32-18,648.79

Finding the Fourth Proportional to 58,623.64, 87,936.32 and 18,648.79

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Solution

The fourth proportional to 58,623.64, 87,936.32 and 18,648.79 is: 27,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,623.64 : 87,936.32 = 18,648.79 : x
  2. Step 2: Convert to fraction form
    58,623.64/87,936.32 = 18,648.79/x
  3. Step 3: Cross multiply
    58,623.64x = 87,936.32 × 18,648.79
  4. Step 4: Simplify right side
    58,623.64x = 1,639,905,965.05
  5. Step 5: Solve for x
    x = 1,639,905,965.05/58,623.64
  6. Step 6: Final answer
    x = 27,973.46

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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.