Home / 51,076.40-76,677.26-40,053.20

Finding the Fourth Proportional to 51,076.40, 76,677.26 and 40,053.20

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Solution

The fourth proportional to 51,076.40, 76,677.26 and 40,053.20 is: 60,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,076.40 : 76,677.26 = 40,053.20 : x
  2. Step 2: Convert to fraction form
    51,076.40/76,677.26 = 40,053.20/x
  3. Step 3: Cross multiply
    51,076.40x = 76,677.26 × 40,053.20
  4. Step 4: Simplify right side
    51,076.40x = 3,071,169,630.23
  5. Step 5: Solve for x
    x = 3,071,169,630.23/51,076.40
  6. Step 6: Final answer
    x = 60,128.94

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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.