Home / 50,720.81-69,971.13-32,821.59

Finding the Fourth Proportional to 50,720.81, 69,971.13 and 32,821.59

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Solution

The fourth proportional to 50,720.81, 69,971.13 and 32,821.59 is: 45,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720.81 : 69,971.13 = 32,821.59 : x
  2. Step 2: Convert to fraction form
    50,720.81/69,971.13 = 32,821.59/x
  3. Step 3: Cross multiply
    50,720.81x = 69,971.13 × 32,821.59
  4. Step 4: Simplify right side
    50,720.81x = 2,296,563,740.70
  5. Step 5: Solve for x
    x = 2,296,563,740.70/50,720.81
  6. Step 6: Final answer
    x = 45,278.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.