Home / 39,701.52-54,784.08-23,785.56

Finding the Fourth Proportional to 39,701.52, 54,784.08 and 23,785.56

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Solution

The fourth proportional to 39,701.52, 54,784.08 and 23,785.56 is: 32,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,701.52 : 54,784.08 = 23,785.56 : x
  2. Step 2: Convert to fraction form
    39,701.52/54,784.08 = 23,785.56/x
  3. Step 3: Cross multiply
    39,701.52x = 54,784.08 × 23,785.56
  4. Step 4: Simplify right side
    39,701.52x = 1,303,070,021.88
  5. Step 5: Solve for x
    x = 1,303,070,021.88/39,701.52
  6. Step 6: Final answer
    x = 32,821.67

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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.