Home / 79,563.04-119,344.72-20,398.92

Finding the Fourth Proportional to 79,563.04, 119,344.72 and 20,398.92

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Solution

The fourth proportional to 79,563.04, 119,344.72 and 20,398.92 is: 30,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,563.04 : 119,344.72 = 20,398.92 : x
  2. Step 2: Convert to fraction form
    79,563.04/119,344.72 = 20,398.92/x
  3. Step 3: Cross multiply
    79,563.04x = 119,344.72 × 20,398.92
  4. Step 4: Simplify right side
    79,563.04x = 2,434,503,395.70
  5. Step 5: Solve for x
    x = 2,434,503,395.70/79,563.04
  6. Step 6: Final answer
    x = 30,598.42

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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.