Home / 23,663.40-35,495.10-20,145.30

Finding the Fourth Proportional to 23,663.40, 35,495.10 and 20,145.30

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Solution

The fourth proportional to 23,663.40, 35,495.10 and 20,145.30 is: 30,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,663.40 : 35,495.10 = 20,145.30 : x
  2. Step 2: Convert to fraction form
    23,663.40/35,495.10 = 20,145.30/x
  3. Step 3: Cross multiply
    23,663.40x = 35,495.10 × 20,145.30
  4. Step 4: Simplify right side
    23,663.40x = 715,059,438.03
  5. Step 5: Solve for x
    x = 715,059,438.03/23,663.40
  6. Step 6: Final answer
    x = 30,217.95

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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.