Home / 30,171.24-45,236.94-13,508.46

Finding the Fourth Proportional to 30,171.24, 45,236.94 and 13,508.46

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Solution

The fourth proportional to 30,171.24, 45,236.94 and 13,508.46 is: 20,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.24 : 45,236.94 = 13,508.46 : x
  2. Step 2: Convert to fraction form
    30,171.24/45,236.94 = 13,508.46/x
  3. Step 3: Cross multiply
    30,171.24x = 45,236.94 × 13,508.46
  4. Step 4: Simplify right side
    30,171.24x = 611,081,394.51
  5. Step 5: Solve for x
    x = 611,081,394.51/30,171.24
  6. Step 6: Final answer
    x = 20,253.77

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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.