Home / 58,579.96-87,848.75-21,129.96

Finding the Fourth Proportional to 58,579.96, 87,848.75 and 21,129.96

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Solution

The fourth proportional to 58,579.96, 87,848.75 and 21,129.96 is: 31,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,579.96 : 87,848.75 = 21,129.96 : x
  2. Step 2: Convert to fraction form
    58,579.96/87,848.75 = 21,129.96/x
  3. Step 3: Cross multiply
    58,579.96x = 87,848.75 × 21,129.96
  4. Step 4: Simplify right side
    58,579.96x = 1,856,240,955.81
  5. Step 5: Solve for x
    x = 1,856,240,955.81/58,579.96
  6. Step 6: Final answer
    x = 31,687.30

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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.