Home / 79,538.05-119,304.34-20,374.23

Finding the Fourth Proportional to 79,538.05, 119,304.34 and 20,374.23

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Solution

The fourth proportional to 79,538.05, 119,304.34 and 20,374.23 is: 30,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,538.05 : 119,304.34 = 20,374.23 : x
  2. Step 2: Convert to fraction form
    79,538.05/119,304.34 = 20,374.23/x
  3. Step 3: Cross multiply
    79,538.05x = 119,304.34 × 20,374.23
  4. Step 4: Simplify right side
    79,538.05x = 2,430,734,012.22
  5. Step 5: Solve for x
    x = 2,430,734,012.22/79,538.05
  6. Step 6: Final answer
    x = 30,560.64

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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.