Home / 45,352.71-62,520.78-31,698.36

Finding the Fourth Proportional to 45,352.71, 62,520.78 and 31,698.36

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Solution

The fourth proportional to 45,352.71, 62,520.78 and 31,698.36 is: 43,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,352.71 : 62,520.78 = 31,698.36 : x
  2. Step 2: Convert to fraction form
    45,352.71/62,520.78 = 31,698.36/x
  3. Step 3: Cross multiply
    45,352.71x = 62,520.78 × 31,698.36
  4. Step 4: Simplify right side
    45,352.71x = 1,981,806,191.92
  5. Step 5: Solve for x
    x = 1,981,806,191.92/45,352.71
  6. Step 6: Final answer
    x = 43,697.64

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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.