Home / 50,714.88-76,066.56-13,777.92

Finding the Fourth Proportional to 50,714.88, 76,066.56 and 13,777.92

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Solution

The fourth proportional to 50,714.88, 76,066.56 and 13,777.92 is: 20,665.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,714.88 : 76,066.56 = 13,777.92 : x
  2. Step 2: Convert to fraction form
    50,714.88/76,066.56 = 13,777.92/x
  3. Step 3: Cross multiply
    50,714.88x = 76,066.56 × 13,777.92
  4. Step 4: Simplify right side
    50,714.88x = 1,048,038,978.36
  5. Step 5: Solve for x
    x = 1,048,038,978.36/50,714.88
  6. Step 6: Final answer
    x = 20,665.32

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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.