Home / 39,966.60-59,949.88-11,886.52

Finding the Fourth Proportional to 39,966.60, 59,949.88 and 11,886.52

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Solution

The fourth proportional to 39,966.60, 59,949.88 and 11,886.52 is: 17,829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.60 : 59,949.88 = 11,886.52 : x
  2. Step 2: Convert to fraction form
    39,966.60/59,949.88 = 11,886.52/x
  3. Step 3: Cross multiply
    39,966.60x = 59,949.88 × 11,886.52
  4. Step 4: Simplify right side
    39,966.60x = 712,595,447.62
  5. Step 5: Solve for x
    x = 712,595,447.62/39,966.60
  6. Step 6: Final answer
    x = 17,829.77

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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.