Home / 45,271.53-67,920.26-21,911.13

Finding the Fourth Proportional to 45,271.53, 67,920.26 and 21,911.13

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Solution

The fourth proportional to 45,271.53, 67,920.26 and 21,911.13 is: 32,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,271.53 : 67,920.26 = 21,911.13 : x
  2. Step 2: Convert to fraction form
    45,271.53/67,920.26 = 21,911.13/x
  3. Step 3: Cross multiply
    45,271.53x = 67,920.26 × 21,911.13
  4. Step 4: Simplify right side
    45,271.53x = 1,488,209,536.94
  5. Step 5: Solve for x
    x = 1,488,209,536.94/45,271.53
  6. Step 6: Final answer
    x = 32,872.97

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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.