Home / 20,296.45-30,424.02-13,723.30

Finding the Fourth Proportional to 20,296.45, 30,424.02 and 13,723.30

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Solution

The fourth proportional to 20,296.45, 30,424.02 and 13,723.30 is: 20,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.45 : 30,424.02 = 13,723.30 : x
  2. Step 2: Convert to fraction form
    20,296.45/30,424.02 = 13,723.30/x
  3. Step 3: Cross multiply
    20,296.45x = 30,424.02 × 13,723.30
  4. Step 4: Simplify right side
    20,296.45x = 417,517,953.67
  5. Step 5: Solve for x
    x = 417,517,953.67/20,296.45
  6. Step 6: Final answer
    x = 20,570.98

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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.