Home / 45,189.54-67,774.68-28,527.30

Finding the Fourth Proportional to 45,189.54, 67,774.68 and 28,527.30

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Solution

The fourth proportional to 45,189.54, 67,774.68 and 28,527.30 is: 42,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,189.54 : 67,774.68 = 28,527.30 : x
  2. Step 2: Convert to fraction form
    45,189.54/67,774.68 = 28,527.30/x
  3. Step 3: Cross multiply
    45,189.54x = 67,774.68 × 28,527.30
  4. Step 4: Simplify right side
    45,189.54x = 1,933,428,628.76
  5. Step 5: Solve for x
    x = 1,933,428,628.76/45,189.54
  6. Step 6: Final answer
    x = 42,784.87

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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.