Home / 30,216.97-45,309.88-13,562.73

Finding the Fourth Proportional to 30,216.97, 45,309.88 and 13,562.73

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Solution

The fourth proportional to 30,216.97, 45,309.88 and 13,562.73 is: 20,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.97 : 45,309.88 = 13,562.73 : x
  2. Step 2: Convert to fraction form
    30,216.97/45,309.88 = 13,562.73/x
  3. Step 3: Cross multiply
    30,216.97x = 45,309.88 × 13,562.73
  4. Step 4: Simplify right side
    30,216.97x = 614,525,408.32
  5. Step 5: Solve for x
    x = 614,525,408.32/30,216.97
  6. Step 6: Final answer
    x = 20,337.10

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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.