Home / 40,148.94-55,414.74-26,720.76

Finding the Fourth Proportional to 40,148.94, 55,414.74 and 26,720.76

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Solution

The fourth proportional to 40,148.94, 55,414.74 and 26,720.76 is: 36,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148.94 : 55,414.74 = 26,720.76 : x
  2. Step 2: Convert to fraction form
    40,148.94/55,414.74 = 26,720.76/x
  3. Step 3: Cross multiply
    40,148.94x = 55,414.74 × 26,720.76
  4. Step 4: Simplify right side
    40,148.94x = 1,480,723,968.00
  5. Step 5: Solve for x
    x = 1,480,723,968.00/40,148.94
  6. Step 6: Final answer
    x = 36,880.77

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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.