Home / 39,815.40-54,924.84-35,344.20

Finding the Fourth Proportional to 39,815.40, 54,924.84 and 35,344.20

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Solution

The fourth proportional to 39,815.40, 54,924.84 and 35,344.20 is: 48,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815.40 : 54,924.84 = 35,344.20 : x
  2. Step 2: Convert to fraction form
    39,815.40/54,924.84 = 35,344.20/x
  3. Step 3: Cross multiply
    39,815.40x = 54,924.84 × 35,344.20
  4. Step 4: Simplify right side
    39,815.40x = 1,941,274,529.93
  5. Step 5: Solve for x
    x = 1,941,274,529.93/39,815.40
  6. Step 6: Final answer
    x = 48,756.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.