Home / 58,335.40-87,330.30-54,917.80

Finding the Fourth Proportional to 58,335.40, 87,330.30 and 54,917.80

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Solution

The fourth proportional to 58,335.40, 87,330.30 and 54,917.80 is: 82,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,335.40 : 87,330.30 = 54,917.80 : x
  2. Step 2: Convert to fraction form
    58,335.40/87,330.30 = 54,917.80/x
  3. Step 3: Cross multiply
    58,335.40x = 87,330.30 × 54,917.80
  4. Step 4: Simplify right side
    58,335.40x = 4,795,987,949.34
  5. Step 5: Solve for x
    x = 4,795,987,949.34/58,335.40
  6. Step 6: Final answer
    x = 82,214.02

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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.