Home / 39,811.05-54,939.18-23,895.57

Finding the Fourth Proportional to 39,811.05, 54,939.18 and 23,895.57

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Solution

The fourth proportional to 39,811.05, 54,939.18 and 23,895.57 is: 32,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.05 : 54,939.18 = 23,895.57 : x
  2. Step 2: Convert to fraction form
    39,811.05/54,939.18 = 23,895.57/x
  3. Step 3: Cross multiply
    39,811.05x = 54,939.18 × 23,895.57
  4. Step 4: Simplify right side
    39,811.05x = 1,312,803,021.43
  5. Step 5: Solve for x
    x = 1,312,803,021.43/39,811.05
  6. Step 6: Final answer
    x = 32,975.85

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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.