Home / 29,020.66-43,500.13-18,457.45

Finding the Fourth Proportional to 29,020.66, 43,500.13 and 18,457.45

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Solution

The fourth proportional to 29,020.66, 43,500.13 and 18,457.45 is: 27,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,020.66 : 43,500.13 = 18,457.45 : x
  2. Step 2: Convert to fraction form
    29,020.66/43,500.13 = 18,457.45/x
  3. Step 3: Cross multiply
    29,020.66x = 43,500.13 × 18,457.45
  4. Step 4: Simplify right side
    29,020.66x = 802,901,319.57
  5. Step 5: Solve for x
    x = 802,901,319.57/29,020.66
  6. Step 6: Final answer
    x = 27,666.54

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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.