Home / 35,551.30-53,312.55-12,165.70

Finding the Fourth Proportional to 35,551.30, 53,312.55 and 12,165.70

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Solution

The fourth proportional to 35,551.30, 53,312.55 and 12,165.70 is: 18,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,551.30 : 53,312.55 = 12,165.70 : x
  2. Step 2: Convert to fraction form
    35,551.30/53,312.55 = 12,165.70/x
  3. Step 3: Cross multiply
    35,551.30x = 53,312.55 × 12,165.70
  4. Step 4: Simplify right side
    35,551.30x = 648,584,489.54
  5. Step 5: Solve for x
    x = 648,584,489.54/35,551.30
  6. Step 6: Final answer
    x = 18,243.62

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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.