Home / 55,848.84-83,714.70-20,766.60

Finding the Fourth Proportional to 55,848.84, 83,714.70 and 20,766.60

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Solution

The fourth proportional to 55,848.84, 83,714.70 and 20,766.60 is: 31,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,848.84 : 83,714.70 = 20,766.60 : x
  2. Step 2: Convert to fraction form
    55,848.84/83,714.70 = 20,766.60/x
  3. Step 3: Cross multiply
    55,848.84x = 83,714.70 × 20,766.60
  4. Step 4: Simplify right side
    55,848.84x = 1,738,469,689.02
  5. Step 5: Solve for x
    x = 1,738,469,689.02/55,848.84
  6. Step 6: Final answer
    x = 31,128.13

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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.