Home / 45,120.71-67,658.28-26,406.37

Finding the Fourth Proportional to 45,120.71, 67,658.28 and 26,406.37

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Solution

The fourth proportional to 45,120.71, 67,658.28 and 26,406.37 is: 39,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,120.71 : 67,658.28 = 26,406.37 : x
  2. Step 2: Convert to fraction form
    45,120.71/67,658.28 = 26,406.37/x
  3. Step 3: Cross multiply
    45,120.71x = 67,658.28 × 26,406.37
  4. Step 4: Simplify right side
    45,120.71x = 1,786,609,575.24
  5. Step 5: Solve for x
    x = 1,786,609,575.24/45,120.71
  6. Step 6: Final answer
    x = 39,596.22

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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.