Home / 39,809.64-59,713.92-12,107.64

Finding the Fourth Proportional to 39,809.64, 59,713.92 and 12,107.64

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Solution

The fourth proportional to 39,809.64, 59,713.92 and 12,107.64 is: 18,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,809.64 : 59,713.92 = 12,107.64 : x
  2. Step 2: Convert to fraction form
    39,809.64/59,713.92 = 12,107.64/x
  3. Step 3: Cross multiply
    39,809.64x = 59,713.92 × 12,107.64
  4. Step 4: Simplify right side
    39,809.64x = 722,994,646.35
  5. Step 5: Solve for x
    x = 722,994,646.35/39,809.64
  6. Step 6: Final answer
    x = 18,161.30

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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.