Home / 39,971.91-59,947.43-11,884.40

Finding the Fourth Proportional to 39,971.91, 59,947.43 and 11,884.40

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Solution

The fourth proportional to 39,971.91, 59,947.43 and 11,884.40 is: 17,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.91 : 59,947.43 = 11,884.40 : x
  2. Step 2: Convert to fraction form
    39,971.91/59,947.43 = 11,884.40/x
  3. Step 3: Cross multiply
    39,971.91x = 59,947.43 × 11,884.40
  4. Step 4: Simplify right side
    39,971.91x = 712,439,439.94
  5. Step 5: Solve for x
    x = 712,439,439.94/39,971.91
  6. Step 6: Final answer
    x = 17,823.50

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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.