Home / 39,972.19-59,947.85-11,884.68

Finding the Fourth Proportional to 39,972.19, 59,947.85 and 11,884.68

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Solution

The fourth proportional to 39,972.19, 59,947.85 and 11,884.68 is: 17,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,972.19 : 59,947.85 = 11,884.68 : x
  2. Step 2: Convert to fraction form
    39,972.19/59,947.85 = 11,884.68/x
  3. Step 3: Cross multiply
    39,972.19x = 59,947.85 × 11,884.68
  4. Step 4: Simplify right side
    39,972.19x = 712,461,145.40
  5. Step 5: Solve for x
    x = 712,461,145.40/39,972.19
  6. Step 6: Final answer
    x = 17,823.92

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1.5x scale

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.