Home / 58,235.60-87,418.20-31,991.60

Finding the Fourth Proportional to 58,235.60, 87,418.20 and 31,991.60

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Solution

The fourth proportional to 58,235.60, 87,418.20 and 31,991.60 is: 48,023.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,235.60 : 87,418.20 = 31,991.60 : x
  2. Step 2: Convert to fraction form
    58,235.60/87,418.20 = 31,991.60/x
  3. Step 3: Cross multiply
    58,235.60x = 87,418.20 × 31,991.60
  4. Step 4: Simplify right side
    58,235.60x = 2,796,648,087.12
  5. Step 5: Solve for x
    x = 2,796,648,087.12/58,235.60
  6. Step 6: Final answer
    x = 48,023.00

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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.