Home / 79,518.10-119,277.07-20,353.67

Finding the Fourth Proportional to 79,518.10, 119,277.07 and 20,353.67

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Solution

The fourth proportional to 79,518.10, 119,277.07 and 20,353.67 is: 30,530.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,518.10 : 119,277.07 = 20,353.67 : x
  2. Step 2: Convert to fraction form
    79,518.10/119,277.07 = 20,353.67/x
  3. Step 3: Cross multiply
    79,518.10x = 119,277.07 × 20,353.67
  4. Step 4: Simplify right side
    79,518.10x = 2,427,726,706.79
  5. Step 5: Solve for x
    x = 2,427,726,706.79/79,518.10
  6. Step 6: Final answer
    x = 30,530.49

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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.