Home / 30,708.64-45,989.14-17,521.03

Finding the Fourth Proportional to 30,708.64, 45,989.14 and 17,521.03

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Solution

The fourth proportional to 30,708.64, 45,989.14 and 17,521.03 is: 26,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,708.64 : 45,989.14 = 17,521.03 : x
  2. Step 2: Convert to fraction form
    30,708.64/45,989.14 = 17,521.03/x
  3. Step 3: Cross multiply
    30,708.64x = 45,989.14 × 17,521.03
  4. Step 4: Simplify right side
    30,708.64x = 805,777,101.61
  5. Step 5: Solve for x
    x = 805,777,101.61/30,708.64
  6. Step 6: Final answer
    x = 26,239.43

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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.