Home / 79,562.54-119,343.96-20,398.42

Finding the Fourth Proportional to 79,562.54, 119,343.96 and 20,398.42

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Solution

The fourth proportional to 79,562.54, 119,343.96 and 20,398.42 is: 30,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,562.54 : 119,343.96 = 20,398.42 : x
  2. Step 2: Convert to fraction form
    79,562.54/119,343.96 = 20,398.42/x
  3. Step 3: Cross multiply
    79,562.54x = 119,343.96 × 20,398.42
  4. Step 4: Simplify right side
    79,562.54x = 2,434,428,220.54
  5. Step 5: Solve for x
    x = 2,434,428,220.54/79,562.54
  6. Step 6: Final answer
    x = 30,597.67

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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.