Home / 39,615.09-59,409.67-18,548.61

Finding the Fourth Proportional to 39,615.09, 59,409.67 and 18,548.61

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Solution

The fourth proportional to 39,615.09, 59,409.67 and 18,548.61 is: 27,816.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,615.09 : 59,409.67 = 18,548.61 : x
  2. Step 2: Convert to fraction form
    39,615.09/59,409.67 = 18,548.61/x
  3. Step 3: Cross multiply
    39,615.09x = 59,409.67 × 18,548.61
  4. Step 4: Simplify right side
    39,615.09x = 1,101,966,799.06
  5. Step 5: Solve for x
    x = 1,101,966,799.06/39,615.09
  6. Step 6: Final answer
    x = 27,816.84

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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.