Home / 39,429.70-59,167.23-21,898.06

Finding the Fourth Proportional to 39,429.70, 59,167.23 and 21,898.06

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Solution

The fourth proportional to 39,429.70, 59,167.23 and 21,898.06 is: 32,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,429.70 : 59,167.23 = 21,898.06 : x
  2. Step 2: Convert to fraction form
    39,429.70/59,167.23 = 21,898.06/x
  3. Step 3: Cross multiply
    39,429.70x = 59,167.23 × 21,898.06
  4. Step 4: Simplify right side
    39,429.70x = 1,295,647,552.57
  5. Step 5: Solve for x
    x = 1,295,647,552.57/39,429.70
  6. Step 6: Final answer
    x = 32,859.69

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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.