Home / 30,134.36-45,210.00-11,158.71

Finding the Fourth Proportional to 30,134.36, 45,210.00 and 11,158.71

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Solution

The fourth proportional to 30,134.36, 45,210.00 and 11,158.71 is: 16,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.36 : 45,210.00 = 11,158.71 : x
  2. Step 2: Convert to fraction form
    30,134.36/45,210.00 = 11,158.71/x
  3. Step 3: Cross multiply
    30,134.36x = 45,210.00 × 11,158.71
  4. Step 4: Simplify right side
    30,134.36x = 504,484,997.26
  5. Step 5: Solve for x
    x = 504,484,997.26/30,134.36
  6. Step 6: Final answer
    x = 16,741.19

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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.