Home / 45,271.17-67,908.14-21,581.31

Finding the Fourth Proportional to 45,271.17, 67,908.14 and 21,581.31

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Solution

The fourth proportional to 45,271.17, 67,908.14 and 21,581.31 is: 32,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,271.17 : 67,908.14 = 21,581.31 : x
  2. Step 2: Convert to fraction form
    45,271.17/67,908.14 = 21,581.31/x
  3. Step 3: Cross multiply
    45,271.17x = 67,908.14 × 21,581.31
  4. Step 4: Simplify right side
    45,271.17x = 1,465,546,620.86
  5. Step 5: Solve for x
    x = 1,465,546,620.86/45,271.17
  6. Step 6: Final answer
    x = 32,372.63

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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.