Home / 39,981.80-55,173.85-26,353.15

Finding the Fourth Proportional to 39,981.80, 55,173.85 and 26,353.15

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Solution

The fourth proportional to 39,981.80, 55,173.85 and 26,353.15 is: 36,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,981.80 : 55,173.85 = 26,353.15 : x
  2. Step 2: Convert to fraction form
    39,981.80/55,173.85 = 26,353.15/x
  3. Step 3: Cross multiply
    39,981.80x = 55,173.85 × 26,353.15
  4. Step 4: Simplify right side
    39,981.80x = 1,454,004,541.31
  5. Step 5: Solve for x
    x = 1,454,004,541.31/39,981.80
  6. Step 6: Final answer
    x = 36,366.66

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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.