Home / 39,732.76-59,597.78-18,661.01

Finding the Fourth Proportional to 39,732.76, 59,597.78 and 18,661.01

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Solution

The fourth proportional to 39,732.76, 59,597.78 and 18,661.01 is: 27,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,732.76 : 59,597.78 = 18,661.01 : x
  2. Step 2: Convert to fraction form
    39,732.76/59,597.78 = 18,661.01/x
  3. Step 3: Cross multiply
    39,732.76x = 59,597.78 × 18,661.01
  4. Step 4: Simplify right side
    39,732.76x = 1,112,154,964.20
  5. Step 5: Solve for x
    x = 1,112,154,964.20/39,732.76
  6. Step 6: Final answer
    x = 27,990.88

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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.