Home / 30,182.46-45,273.91-11,457.45

Finding the Fourth Proportional to 30,182.46, 45,273.91 and 11,457.45

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Solution

The fourth proportional to 30,182.46, 45,273.91 and 11,457.45 is: 17,186.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182.46 : 45,273.91 = 11,457.45 : x
  2. Step 2: Convert to fraction form
    30,182.46/45,273.91 = 11,457.45/x
  3. Step 3: Cross multiply
    30,182.46x = 45,273.91 × 11,457.45
  4. Step 4: Simplify right side
    30,182.46x = 518,723,560.13
  5. Step 5: Solve for x
    x = 518,723,560.13/30,182.46
  6. Step 6: Final answer
    x = 17,186.26

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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.