Home / 35,957.12-53,936.18-13,771.62

Finding the Fourth Proportional to 35,957.12, 53,936.18 and 13,771.62

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Solution

The fourth proportional to 35,957.12, 53,936.18 and 13,771.62 is: 20,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,957.12 : 53,936.18 = 13,771.62 : x
  2. Step 2: Convert to fraction form
    35,957.12/53,936.18 = 13,771.62/x
  3. Step 3: Cross multiply
    35,957.12x = 53,936.18 × 13,771.62
  4. Step 4: Simplify right side
    35,957.12x = 742,788,558.00
  5. Step 5: Solve for x
    x = 742,788,558.00/35,957.12
  6. Step 6: Final answer
    x = 20,657.62

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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.