Home / 40,738.84-61,108.32-11,156.92

Finding the Fourth Proportional to 40,738.84, 61,108.32 and 11,156.92

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Solution

The fourth proportional to 40,738.84, 61,108.32 and 11,156.92 is: 16,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,738.84 : 61,108.32 = 11,156.92 : x
  2. Step 2: Convert to fraction form
    40,738.84/61,108.32 = 11,156.92/x
  3. Step 3: Cross multiply
    40,738.84x = 61,108.32 × 11,156.92
  4. Step 4: Simplify right side
    40,738.84x = 681,780,637.57
  5. Step 5: Solve for x
    x = 681,780,637.57/40,738.84
  6. Step 6: Final answer
    x = 16,735.40

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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.