Home / 35,876.20-53,812.12-13,382.54

Finding the Fourth Proportional to 35,876.20, 53,812.12 and 13,382.54

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Solution

The fourth proportional to 35,876.20, 53,812.12 and 13,382.54 is: 20,073.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,876.20 : 53,812.12 = 13,382.54 : x
  2. Step 2: Convert to fraction form
    35,876.20/53,812.12 = 13,382.54/x
  3. Step 3: Cross multiply
    35,876.20x = 53,812.12 × 13,382.54
  4. Step 4: Simplify right side
    35,876.20x = 720,142,848.38
  5. Step 5: Solve for x
    x = 720,142,848.38/35,876.20
  6. Step 6: Final answer
    x = 20,073.00

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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.