Home / 50,619.48-75,956.64-21,057.72

Finding the Fourth Proportional to 50,619.48, 75,956.64 and 21,057.72

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Solution

The fourth proportional to 50,619.48, 75,956.64 and 21,057.72 is: 31,597.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,619.48 : 75,956.64 = 21,057.72 : x
  2. Step 2: Convert to fraction form
    50,619.48/75,956.64 = 21,057.72/x
  3. Step 3: Cross multiply
    50,619.48x = 75,956.64 × 21,057.72
  4. Step 4: Simplify right side
    50,619.48x = 1,599,473,657.26
  5. Step 5: Solve for x
    x = 1,599,473,657.26/50,619.48
  6. Step 6: Final answer
    x = 31,597.99

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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.