Home / 30,216.36-45,308.97-13,562.11

Finding the Fourth Proportional to 30,216.36, 45,308.97 and 13,562.11

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Solution

The fourth proportional to 30,216.36, 45,308.97 and 13,562.11 is: 20,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.36 : 45,308.97 = 13,562.11 : x
  2. Step 2: Convert to fraction form
    30,216.36/45,308.97 = 13,562.11/x
  3. Step 3: Cross multiply
    30,216.36x = 45,308.97 × 13,562.11
  4. Step 4: Simplify right side
    30,216.36x = 614,485,235.13
  5. Step 5: Solve for x
    x = 614,485,235.13/30,216.36
  6. Step 6: Final answer
    x = 20,336.18

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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.