Home / 30,667.14-45,967.91-15,861.15

Finding the Fourth Proportional to 30,667.14, 45,967.91 and 15,861.15

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Solution

The fourth proportional to 30,667.14, 45,967.91 and 15,861.15 is: 23,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,667.14 : 45,967.91 = 15,861.15 : x
  2. Step 2: Convert to fraction form
    30,667.14/45,967.91 = 15,861.15/x
  3. Step 3: Cross multiply
    30,667.14x = 45,967.91 × 15,861.15
  4. Step 4: Simplify right side
    30,667.14x = 729,103,836.39
  5. Step 5: Solve for x
    x = 729,103,836.39/30,667.14
  6. Step 6: Final answer
    x = 23,774.76

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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.