Home / 30,216.72-45,309.50-13,562.48

Finding the Fourth Proportional to 30,216.72, 45,309.50 and 13,562.48

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Solution

The fourth proportional to 30,216.72, 45,309.50 and 13,562.48 is: 20,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.72 : 45,309.50 = 13,562.48 : x
  2. Step 2: Convert to fraction form
    30,216.72/45,309.50 = 13,562.48/x
  3. Step 3: Cross multiply
    30,216.72x = 45,309.50 × 13,562.48
  4. Step 4: Simplify right side
    30,216.72x = 614,508,994.92
  5. Step 5: Solve for x
    x = 614,508,994.92/30,216.72
  6. Step 6: Final answer
    x = 20,336.72

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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.