Home / 39,382.01-54,392.55-28,674.76

Finding the Fourth Proportional to 39,382.01, 54,392.55 and 28,674.76

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Solution

The fourth proportional to 39,382.01, 54,392.55 and 28,674.76 is: 39,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,382.01 : 54,392.55 = 28,674.76 : x
  2. Step 2: Convert to fraction form
    39,382.01/54,392.55 = 28,674.76/x
  3. Step 3: Cross multiply
    39,382.01x = 54,392.55 × 28,674.76
  4. Step 4: Simplify right side
    39,382.01x = 1,559,692,901.70
  5. Step 5: Solve for x
    x = 1,559,692,901.70/39,382.01
  6. Step 6: Final answer
    x = 39,604.20

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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.