Home / 39,007.20-58,502.70-16,821.30

Finding the Fourth Proportional to 39,007.20, 58,502.70 and 16,821.30

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Solution

The fourth proportional to 39,007.20, 58,502.70 and 16,821.30 is: 25,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.20 : 58,502.70 = 16,821.30 : x
  2. Step 2: Convert to fraction form
    39,007.20/58,502.70 = 16,821.30/x
  3. Step 3: Cross multiply
    39,007.20x = 58,502.70 × 16,821.30
  4. Step 4: Simplify right side
    39,007.20x = 984,091,467.51
  5. Step 5: Solve for x
    x = 984,091,467.51/39,007.20
  6. Step 6: Final answer
    x = 25,228.46

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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.