Home / 53,844.40-80,766.60-38,972.80

Finding the Fourth Proportional to 53,844.40, 80,766.60 and 38,972.80

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Solution

The fourth proportional to 53,844.40, 80,766.60 and 38,972.80 is: 58,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,844.40 : 80,766.60 = 38,972.80 : x
  2. Step 2: Convert to fraction form
    53,844.40/80,766.60 = 38,972.80/x
  3. Step 3: Cross multiply
    53,844.40x = 80,766.60 × 38,972.80
  4. Step 4: Simplify right side
    53,844.40x = 3,147,700,548.48
  5. Step 5: Solve for x
    x = 3,147,700,548.48/53,844.40
  6. Step 6: Final answer
    x = 58,459.20

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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.