Home / 55,215.60-82,823.40-50,938.80

Finding the Fourth Proportional to 55,215.60, 82,823.40 and 50,938.80

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Solution

The fourth proportional to 55,215.60, 82,823.40 and 50,938.80 is: 76,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215.60 : 82,823.40 = 50,938.80 : x
  2. Step 2: Convert to fraction form
    55,215.60/82,823.40 = 50,938.80/x
  3. Step 3: Cross multiply
    55,215.60x = 82,823.40 × 50,938.80
  4. Step 4: Simplify right side
    55,215.60x = 4,218,924,607.92
  5. Step 5: Solve for x
    x = 4,218,924,607.92/55,215.60
  6. Step 6: Final answer
    x = 76,408.20

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1.5x scale

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.