Home / 39,911.04-59,867.46-11,830.56

Finding the Fourth Proportional to 39,911.04, 59,867.46 and 11,830.56

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Solution

The fourth proportional to 39,911.04, 59,867.46 and 11,830.56 is: 17,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.04 : 59,867.46 = 11,830.56 : x
  2. Step 2: Convert to fraction form
    39,911.04/59,867.46 = 11,830.56/x
  3. Step 3: Cross multiply
    39,911.04x = 59,867.46 × 11,830.56
  4. Step 4: Simplify right side
    39,911.04x = 708,265,577.58
  5. Step 5: Solve for x
    x = 708,265,577.58/39,911.04
  6. Step 6: Final answer
    x = 17,746.11

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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.