Home / 43,325.64-64,988.13-17,679.87

Finding the Fourth Proportional to 43,325.64, 64,988.13 and 17,679.87

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Solution

The fourth proportional to 43,325.64, 64,988.13 and 17,679.87 is: 26,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,325.64 : 64,988.13 = 17,679.87 : x
  2. Step 2: Convert to fraction form
    43,325.64/64,988.13 = 17,679.87/x
  3. Step 3: Cross multiply
    43,325.64x = 64,988.13 × 17,679.87
  4. Step 4: Simplify right side
    43,325.64x = 1,148,981,689.94
  5. Step 5: Solve for x
    x = 1,148,981,689.94/43,325.64
  6. Step 6: Final answer
    x = 26,519.67

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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.