Home / 40,640.36-56,052.69-34,984.40

Finding the Fourth Proportional to 40,640.36, 56,052.69 and 34,984.40

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Solution

The fourth proportional to 40,640.36, 56,052.69 and 34,984.40 is: 48,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,640.36 : 56,052.69 = 34,984.40 : x
  2. Step 2: Convert to fraction form
    40,640.36/56,052.69 = 34,984.40/x
  3. Step 3: Cross multiply
    40,640.36x = 56,052.69 × 34,984.40
  4. Step 4: Simplify right side
    40,640.36x = 1,960,969,728.04
  5. Step 5: Solve for x
    x = 1,960,969,728.04/40,640.36
  6. Step 6: Final answer
    x = 48,251.78

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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.