Home / 50,776.96-76,172.72-15,719.36

Finding the Fourth Proportional to 50,776.96, 76,172.72 and 15,719.36

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Solution

The fourth proportional to 50,776.96, 76,172.72 and 15,719.36 is: 23,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,776.96 : 76,172.72 = 15,719.36 : x
  2. Step 2: Convert to fraction form
    50,776.96/76,172.72 = 15,719.36/x
  3. Step 3: Cross multiply
    50,776.96x = 76,172.72 × 15,719.36
  4. Step 4: Simplify right side
    50,776.96x = 1,197,386,407.86
  5. Step 5: Solve for x
    x = 1,197,386,407.86/50,776.96
  6. Step 6: Final answer
    x = 23,581.29

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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.