Home / 39,457.21-59,191.17-12,794.51

Finding the Fourth Proportional to 39,457.21, 59,191.17 and 12,794.51

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Solution

The fourth proportional to 39,457.21, 59,191.17 and 12,794.51 is: 19,193.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,457.21 : 59,191.17 = 12,794.51 : x
  2. Step 2: Convert to fraction form
    39,457.21/59,191.17 = 12,794.51/x
  3. Step 3: Cross multiply
    39,457.21x = 59,191.17 × 12,794.51
  4. Step 4: Simplify right side
    39,457.21x = 757,321,752.51
  5. Step 5: Solve for x
    x = 757,321,752.51/39,457.21
  6. Step 6: Final answer
    x = 19,193.49

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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.