Home / 50,716.08-76,081.05-21,127.01

Finding the Fourth Proportional to 50,716.08, 76,081.05 and 21,127.01

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Solution

The fourth proportional to 50,716.08, 76,081.05 and 21,127.01 is: 31,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,716.08 : 76,081.05 = 21,127.01 : x
  2. Step 2: Convert to fraction form
    50,716.08/76,081.05 = 21,127.01/x
  3. Step 3: Cross multiply
    50,716.08x = 76,081.05 × 21,127.01
  4. Step 4: Simplify right side
    50,716.08x = 1,607,364,723.76
  5. Step 5: Solve for x
    x = 1,607,364,723.76/50,716.08
  6. Step 6: Final answer
    x = 31,693.39

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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.