Home / 39,171.84-58,746.60-11,090.04

Finding the Fourth Proportional to 39,171.84, 58,746.60 and 11,090.04

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Solution

The fourth proportional to 39,171.84, 58,746.60 and 11,090.04 is: 16,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.84 : 58,746.60 = 11,090.04 : x
  2. Step 2: Convert to fraction form
    39,171.84/58,746.60 = 11,090.04/x
  3. Step 3: Cross multiply
    39,171.84x = 58,746.60 × 11,090.04
  4. Step 4: Simplify right side
    39,171.84x = 651,502,143.86
  5. Step 5: Solve for x
    x = 651,502,143.86/39,171.84
  6. Step 6: Final answer
    x = 16,631.90

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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.