Home / 45,072.28-67,618.08-13,484.79

Finding the Fourth Proportional to 45,072.28, 67,618.08 and 13,484.79

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Solution

The fourth proportional to 45,072.28, 67,618.08 and 13,484.79 is: 20,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,072.28 : 67,618.08 = 13,484.79 : x
  2. Step 2: Convert to fraction form
    45,072.28/67,618.08 = 13,484.79/x
  3. Step 3: Cross multiply
    45,072.28x = 67,618.08 × 13,484.79
  4. Step 4: Simplify right side
    45,072.28x = 911,815,609.00
  5. Step 5: Solve for x
    x = 911,815,609.00/45,072.28
  6. Step 6: Final answer
    x = 20,230.08

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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.