Home / 32,776.16-45,231.12-18,629

Finding the Fourth Proportional to 32,776.16, 45,231.12 and 18,629

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Solution

The fourth proportional to 32,776.16, 45,231.12 and 18,629 is: 25,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,776.16 : 45,231.12 = 18,629 : x
  2. Step 2: Convert to fraction form
    32,776.16/45,231.12 = 18,629/x
  3. Step 3: Cross multiply
    32,776.16x = 45,231.12 × 18,629
  4. Step 4: Simplify right side
    32,776.16x = 842,610,534.48
  5. Step 5: Solve for x
    x = 842,610,534.48/32,776.16
  6. Step 6: Final answer
    x = 25,708.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.