Home / 45,071.91-67,611.51-15,489.77

Finding the Fourth Proportional to 45,071.91, 67,611.51 and 15,489.77

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Solution

The fourth proportional to 45,071.91, 67,611.51 and 15,489.77 is: 23,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,071.91 : 67,611.51 = 15,489.77 : x
  2. Step 2: Convert to fraction form
    45,071.91/67,611.51 = 15,489.77/x
  3. Step 3: Cross multiply
    45,071.91x = 67,611.51 × 15,489.77
  4. Step 4: Simplify right side
    45,071.91x = 1,047,286,401.20
  5. Step 5: Solve for x
    x = 1,047,286,401.20/45,071.91
  6. Step 6: Final answer
    x = 23,235.90

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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.