Home / 39,682.60-59,526.06-11,979.88

Finding the Fourth Proportional to 39,682.60, 59,526.06 and 11,979.88

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Solution

The fourth proportional to 39,682.60, 59,526.06 and 11,979.88 is: 17,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,682.60 : 59,526.06 = 11,979.88 : x
  2. Step 2: Convert to fraction form
    39,682.60/59,526.06 = 11,979.88/x
  3. Step 3: Cross multiply
    39,682.60x = 59,526.06 × 11,979.88
  4. Step 4: Simplify right side
    39,682.60x = 713,115,055.67
  5. Step 5: Solve for x
    x = 713,115,055.67/39,682.60
  6. Step 6: Final answer
    x = 17,970.47

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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.