Home / 51,003.60-76,505.40-15,946.80

Finding the Fourth Proportional to 51,003.60, 76,505.40 and 15,946.80

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Solution

The fourth proportional to 51,003.60, 76,505.40 and 15,946.80 is: 23,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,003.60 : 76,505.40 = 15,946.80 : x
  2. Step 2: Convert to fraction form
    51,003.60/76,505.40 = 15,946.80/x
  3. Step 3: Cross multiply
    51,003.60x = 76,505.40 × 15,946.80
  4. Step 4: Simplify right side
    51,003.60x = 1,220,016,312.72
  5. Step 5: Solve for x
    x = 1,220,016,312.72/51,003.60
  6. Step 6: Final answer
    x = 23,920.20

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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.