Home / 58,011.54-87,028.20-18,558.06

Finding the Fourth Proportional to 58,011.54, 87,028.20 and 18,558.06

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Solution

The fourth proportional to 58,011.54, 87,028.20 and 18,558.06 is: 27,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,011.54 : 87,028.20 = 18,558.06 : x
  2. Step 2: Convert to fraction form
    58,011.54/87,028.20 = 18,558.06/x
  3. Step 3: Cross multiply
    58,011.54x = 87,028.20 × 18,558.06
  4. Step 4: Simplify right side
    58,011.54x = 1,615,074,557.29
  5. Step 5: Solve for x
    x = 1,615,074,557.29/58,011.54
  6. Step 6: Final answer
    x = 27,840.57

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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.