Home / 50,943.80-76,416.20-15,405.40

Finding the Fourth Proportional to 50,943.80, 76,416.20 and 15,405.40

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Solution

The fourth proportional to 50,943.80, 76,416.20 and 15,405.40 is: 23,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,943.80 : 76,416.20 = 15,405.40 : x
  2. Step 2: Convert to fraction form
    50,943.80/76,416.20 = 15,405.40/x
  3. Step 3: Cross multiply
    50,943.80x = 76,416.20 × 15,405.40
  4. Step 4: Simplify right side
    50,943.80x = 1,177,222,127.48
  5. Step 5: Solve for x
    x = 1,177,222,127.48/50,943.80
  6. Step 6: Final answer
    x = 23,108.25

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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.