Home / 30,200.08-45,289.87-11,475.62

Finding the Fourth Proportional to 30,200.08, 45,289.87 and 11,475.62

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Solution

The fourth proportional to 30,200.08, 45,289.87 and 11,475.62 is: 17,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.08 : 45,289.87 = 11,475.62 : x
  2. Step 2: Convert to fraction form
    30,200.08/45,289.87 = 11,475.62/x
  3. Step 3: Cross multiply
    30,200.08x = 45,289.87 × 11,475.62
  4. Step 4: Simplify right side
    30,200.08x = 519,729,337.97
  5. Step 5: Solve for x
    x = 519,729,337.97/30,200.08
  6. Step 6: Final answer
    x = 17,209.54

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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.